Home / 5,132.38-7,658.28-4,818.90

Finding the Fourth Proportional to 5,132.38, 7,658.28 and 4,818.90

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Solution

The fourth proportional to 5,132.38, 7,658.28 and 4,818.90 is: 7,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.38 : 7,658.28 = 4,818.90 : x
  2. Step 2: Convert to fraction form
    5,132.38/7,658.28 = 4,818.90/x
  3. Step 3: Cross multiply
    5,132.38x = 7,658.28 × 4,818.90
  4. Step 4: Simplify right side
    5,132.38x = 36,904,485.49
  5. Step 5: Solve for x
    x = 36,904,485.49/5,132.38
  6. Step 6: Final answer
    x = 7,190.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.