Home / 5,517.86-8,277.12-2,230.88

Finding the Fourth Proportional to 5,517.86, 8,277.12 and 2,230.88

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Solution

The fourth proportional to 5,517.86, 8,277.12 and 2,230.88 is: 3,346.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.86 : 8,277.12 = 2,230.88 : x
  2. Step 2: Convert to fraction form
    5,517.86/8,277.12 = 2,230.88/x
  3. Step 3: Cross multiply
    5,517.86x = 8,277.12 × 2,230.88
  4. Step 4: Simplify right side
    5,517.86x = 18,465,220.08
  5. Step 5: Solve for x
    x = 18,465,220.08/5,517.86
  6. Step 6: Final answer
    x = 3,346.45

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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.