Home / 7,629.40-10,528.26-4,272.16

Finding the Fourth Proportional to 7,629.40, 10,528.26 and 4,272.16

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Solution

The fourth proportional to 7,629.40, 10,528.26 and 4,272.16 is: 5,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.40 : 10,528.26 = 4,272.16 : x
  2. Step 2: Convert to fraction form
    7,629.40/10,528.26 = 4,272.16/x
  3. Step 3: Cross multiply
    7,629.40x = 10,528.26 × 4,272.16
  4. Step 4: Simplify right side
    7,629.40x = 44,978,411.24
  5. Step 5: Solve for x
    x = 44,978,411.24/7,629.40
  6. Step 6: Final answer
    x = 5,895.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.