Home / 5,115.68-7,663.28-3,062.56

Finding the Fourth Proportional to 5,115.68, 7,663.28 and 3,062.56

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Solution

The fourth proportional to 5,115.68, 7,663.28 and 3,062.56 is: 4,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.68 : 7,663.28 = 3,062.56 : x
  2. Step 2: Convert to fraction form
    5,115.68/7,663.28 = 3,062.56/x
  3. Step 3: Cross multiply
    5,115.68x = 7,663.28 × 3,062.56
  4. Step 4: Simplify right side
    5,115.68x = 23,469,254.80
  5. Step 5: Solve for x
    x = 23,469,254.80/5,115.68
  6. Step 6: Final answer
    x = 4,587.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.