Home / 6,151.92-9,229.06-1,992.96

Finding the Fourth Proportional to 6,151.92, 9,229.06 and 1,992.96

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Solution

The fourth proportional to 6,151.92, 9,229.06 and 1,992.96 is: 2,989.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.92 : 9,229.06 = 1,992.96 : x
  2. Step 2: Convert to fraction form
    6,151.92/9,229.06 = 1,992.96/x
  3. Step 3: Cross multiply
    6,151.92x = 9,229.06 × 1,992.96
  4. Step 4: Simplify right side
    6,151.92x = 18,393,147.42
  5. Step 5: Solve for x
    x = 18,393,147.42/6,151.92
  6. Step 6: Final answer
    x = 2,989.82

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.