Home / 7,542.28-10,407.22-4,229.64

Finding the Fourth Proportional to 7,542.28, 10,407.22 and 4,229.64

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Solution

The fourth proportional to 7,542.28, 10,407.22 and 4,229.64 is: 5,836.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.28 : 10,407.22 = 4,229.64 : x
  2. Step 2: Convert to fraction form
    7,542.28/10,407.22 = 4,229.64/x
  3. Step 3: Cross multiply
    7,542.28x = 10,407.22 × 4,229.64
  4. Step 4: Simplify right side
    7,542.28x = 44,018,794.00
  5. Step 5: Solve for x
    x = 44,018,794.00/7,542.28
  6. Step 6: Final answer
    x = 5,836.27

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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.