2,4:x= 6:4,5

To find the value of x in the given proportion, we can set up a proportion equation:

2/4 = 6/4.5

To solve this equation, we can cross-multiply:

2 * 4.5 = 4 * 6

9 = 24

Since 9 does not equal 24, the given proportion is incorrect. Please double-check the numbers provided or provide additional information if needed.