What is the relationship between the values of the 4 in this number 4438
They do not mean the same thing:
4 in 4000 stands for 4 thousands
4 in 400 stands for 4 hundreds.
You can see, that first '4' means 4 000, while the second one means 400, so the first one is 10 times greater.
4s in 4,438
4,000
0,400
one is in the thousands column but the other is in the hundreds column