Home / 6,414.29-9,631.00-3,959.38

Finding the Fourth Proportional to 6,414.29, 9,631.00 and 3,959.38

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Solution

The fourth proportional to 6,414.29, 9,631.00 and 3,959.38 is: 5,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,414.29 : 9,631.00 = 3,959.38 : x
  2. Step 2: Convert to fraction form
    6,414.29/9,631.00 = 3,959.38/x
  3. Step 3: Cross multiply
    6,414.29x = 9,631.00 × 3,959.38
  4. Step 4: Simplify right side
    6,414.29x = 38,132,805.77
  5. Step 5: Solve for x
    x = 38,132,805.77/6,414.29
  6. Step 6: Final answer
    x = 5,944.98

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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.