Home / 8,080.86-12,121.20-2,237.25

Finding the Fourth Proportional to 8,080.86, 12,121.20 and 2,237.25

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Solution

The fourth proportional to 8,080.86, 12,121.20 and 2,237.25 is: 3,355.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.86 : 12,121.20 = 2,237.25 : x
  2. Step 2: Convert to fraction form
    8,080.86/12,121.20 = 2,237.25/x
  3. Step 3: Cross multiply
    8,080.86x = 12,121.20 × 2,237.25
  4. Step 4: Simplify right side
    8,080.86x = 27,118,154.70
  5. Step 5: Solve for x
    x = 27,118,154.70/8,080.86
  6. Step 6: Final answer
    x = 3,355.85

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