Home / 8,080.74-11,151.30-4,543.95

Finding the Fourth Proportional to 8,080.74, 11,151.30 and 4,543.95

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Solution

The fourth proportional to 8,080.74, 11,151.30 and 4,543.95 is: 6,270.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.74 : 11,151.30 = 4,543.95 : x
  2. Step 2: Convert to fraction form
    8,080.74/11,151.30 = 4,543.95/x
  3. Step 3: Cross multiply
    8,080.74x = 11,151.30 × 4,543.95
  4. Step 4: Simplify right side
    8,080.74x = 50,671,008.49
  5. Step 5: Solve for x
    x = 50,671,008.49/8,080.74
  6. Step 6: Final answer
    x = 6,270.59

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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.