Home / 8,081.32-11,152.12-4,545.13

Finding the Fourth Proportional to 8,081.32, 11,152.12 and 4,545.13

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Solution

The fourth proportional to 8,081.32, 11,152.12 and 4,545.13 is: 6,272.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,081.32 : 11,152.12 = 4,545.13 : x
  2. Step 2: Convert to fraction form
    8,081.32/11,152.12 = 4,545.13/x
  3. Step 3: Cross multiply
    8,081.32x = 11,152.12 × 4,545.13
  4. Step 4: Simplify right side
    8,081.32x = 50,687,756.69
  5. Step 5: Solve for x
    x = 50,687,756.69/8,081.32
  6. Step 6: Final answer
    x = 6,272.22

Related Problems

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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.