Home / 8,080.40-11,150.84-4,543.61

Finding the Fourth Proportional to 8,080.40, 11,150.84 and 4,543.61

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Solution

The fourth proportional to 8,080.40, 11,150.84 and 4,543.61 is: 6,270.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.40 : 11,150.84 = 4,543.61 : x
  2. Step 2: Convert to fraction form
    8,080.40/11,150.84 = 4,543.61/x
  3. Step 3: Cross multiply
    8,080.40x = 11,150.84 × 4,543.61
  4. Step 4: Simplify right side
    8,080.40x = 50,664,989.66
  5. Step 5: Solve for x
    x = 50,664,989.66/8,080.40
  6. Step 6: Final answer
    x = 6,270.11

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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.