Home / 7,387.87-11,081.59-2,461.04

Finding the Fourth Proportional to 7,387.87, 11,081.59 and 2,461.04

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Solution

The fourth proportional to 7,387.87, 11,081.59 and 2,461.04 is: 3,691.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.87 : 11,081.59 = 2,461.04 : x
  2. Step 2: Convert to fraction form
    7,387.87/11,081.59 = 2,461.04/x
  3. Step 3: Cross multiply
    7,387.87x = 11,081.59 × 2,461.04
  4. Step 4: Simplify right side
    7,387.87x = 27,272,236.25
  5. Step 5: Solve for x
    x = 27,272,236.25/7,387.87
  6. Step 6: Final answer
    x = 3,691.49

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Find fourth proportional to 3,693.94, 5,540.80 and 1,230.52
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.