'Fourth' in the Bible

There was a great famine in Samaria, and behold, a siege [was] against it, until the head of a donkey [went] for eighty shekels of silver, and one fourth of the measure of the dung of doves [went] for five shekels of silver.

Yahweh said to Jehu, "Because you have done well by doing right in my eyes and you have done to the house of Ahab according to all that [was] in my heart; [therefore,] sons of the fourth generation will sit for you on the throne of Israel."

This is the word of Yahweh which he spoke to Jehu, saying, "Sons of a fourth [generation] shall sit for you on the throne of Israel," and it was so.

It happened in the fourth year of King Hezekiah, that [is,] the seventh year of Hoshea the son of Elah king of Israel, Shalmaneser king of Assyria came against Samaria and laid siege against her.