Home / 8,132.06-11,221.17-5,142.62

Finding the Fourth Proportional to 8,132.06, 11,221.17 and 5,142.62

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Solution

The fourth proportional to 8,132.06, 11,221.17 and 5,142.62 is: 7,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,132.06 : 11,221.17 = 5,142.62 : x
  2. Step 2: Convert to fraction form
    8,132.06/11,221.17 = 5,142.62/x
  3. Step 3: Cross multiply
    8,132.06x = 11,221.17 × 5,142.62
  4. Step 4: Simplify right side
    8,132.06x = 57,706,213.27
  5. Step 5: Solve for x
    x = 57,706,213.27/8,132.06
  6. Step 6: Final answer
    x = 7,096.14

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Double scale
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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.