Home / 6,747.38-9,308.94-3,913.19

Finding the Fourth Proportional to 6,747.38, 9,308.94 and 3,913.19

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Solution

The fourth proportional to 6,747.38, 9,308.94 and 3,913.19 is: 5,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.38 : 9,308.94 = 3,913.19 : x
  2. Step 2: Convert to fraction form
    6,747.38/9,308.94 = 3,913.19/x
  3. Step 3: Cross multiply
    6,747.38x = 9,308.94 × 3,913.19
  4. Step 4: Simplify right side
    6,747.38x = 36,427,650.92
  5. Step 5: Solve for x
    x = 36,427,650.92/6,747.38
  6. Step 6: Final answer
    x = 5,398.78

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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.