Home / 5,403.52-7,457.28-4,689.92

Finding the Fourth Proportional to 5,403.52, 7,457.28 and 4,689.92

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Solution

The fourth proportional to 5,403.52, 7,457.28 and 4,689.92 is: 6,472.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,403.52 : 7,457.28 = 4,689.92 : x
  2. Step 2: Convert to fraction form
    5,403.52/7,457.28 = 4,689.92/x
  3. Step 3: Cross multiply
    5,403.52x = 7,457.28 × 4,689.92
  4. Step 4: Simplify right side
    5,403.52x = 34,974,046.62
  5. Step 5: Solve for x
    x = 34,974,046.62/5,403.52
  6. Step 6: Final answer
    x = 6,472.46

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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.