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Finding the Fourth Proportional to 8,060.59, 11,122.86 and 6,386.14

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Solution

The fourth proportional to 8,060.59, 11,122.86 and 6,386.14 is: 8,812.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.59 : 11,122.86 = 6,386.14 : x
  2. Step 2: Convert to fraction form
    8,060.59/11,122.86 = 6,386.14/x
  3. Step 3: Cross multiply
    8,060.59x = 11,122.86 × 6,386.14
  4. Step 4: Simplify right side
    8,060.59x = 71,032,141.16
  5. Step 5: Solve for x
    x = 71,032,141.16/8,060.59
  6. Step 6: Final answer
    x = 8,812.28

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Half scale
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Double scale
Find fourth proportional to 8,061.59, 11,124.24 and 6,387.14
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.