Home / 8,127.38-11,225.14-6,234.96

Finding the Fourth Proportional to 8,127.38, 11,225.14 and 6,234.96

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Solution

The fourth proportional to 8,127.38, 11,225.14 and 6,234.96 is: 8,611.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.38 : 11,225.14 = 6,234.96 : x
  2. Step 2: Convert to fraction form
    8,127.38/11,225.14 = 6,234.96/x
  3. Step 3: Cross multiply
    8,127.38x = 11,225.14 × 6,234.96
  4. Step 4: Simplify right side
    8,127.38x = 69,988,298.89
  5. Step 5: Solve for x
    x = 69,988,298.89/8,127.38
  6. Step 6: Final answer
    x = 8,611.42

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Half scale
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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.