Home / 7,997.92-11,034.15-4,638.85

Finding the Fourth Proportional to 7,997.92, 11,034.15 and 4,638.85

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Solution

The fourth proportional to 7,997.92, 11,034.15 and 4,638.85 is: 6,399.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.92 : 11,034.15 = 4,638.85 : x
  2. Step 2: Convert to fraction form
    7,997.92/11,034.15 = 4,638.85/x
  3. Step 3: Cross multiply
    7,997.92x = 11,034.15 × 4,638.85
  4. Step 4: Simplify right side
    7,997.92x = 51,185,766.73
  5. Step 5: Solve for x
    x = 51,185,766.73/7,997.92
  6. Step 6: Final answer
    x = 6,399.88

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Double scale
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Similar ratio
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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.