Home / 5,252.20-7,252.42-4,691.68

Finding the Fourth Proportional to 5,252.20, 7,252.42 and 4,691.68

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Solution

The fourth proportional to 5,252.20, 7,252.42 and 4,691.68 is: 6,478.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.20 : 7,252.42 = 4,691.68 : x
  2. Step 2: Convert to fraction form
    5,252.20/7,252.42 = 4,691.68/x
  3. Step 3: Cross multiply
    5,252.20x = 7,252.42 × 4,691.68
  4. Step 4: Simplify right side
    5,252.20x = 34,026,033.87
  5. Step 5: Solve for x
    x = 34,026,033.87/5,252.20
  6. Step 6: Final answer
    x = 6,478.43

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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.