Home / 5,517.81-8,276.72-3,881.68

Finding the Fourth Proportional to 5,517.81, 8,276.72 and 3,881.68

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Solution

The fourth proportional to 5,517.81, 8,276.72 and 3,881.68 is: 5,822.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.81 : 8,276.72 = 3,881.68 : x
  2. Step 2: Convert to fraction form
    5,517.81/8,276.72 = 3,881.68/x
  3. Step 3: Cross multiply
    5,517.81x = 8,276.72 × 3,881.68
  4. Step 4: Simplify right side
    5,517.81x = 32,127,538.39
  5. Step 5: Solve for x
    x = 32,127,538.39/5,517.81
  6. Step 6: Final answer
    x = 5,822.52

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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.