Home / 5,517.20-7,613.16-3,278.96

Finding the Fourth Proportional to 5,517.20, 7,613.16 and 3,278.96

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Solution

The fourth proportional to 5,517.20, 7,613.16 and 3,278.96 is: 4,524.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.20 : 7,613.16 = 3,278.96 : x
  2. Step 2: Convert to fraction form
    5,517.20/7,613.16 = 3,278.96/x
  3. Step 3: Cross multiply
    5,517.20x = 7,613.16 × 3,278.96
  4. Step 4: Simplify right side
    5,517.20x = 24,963,247.11
  5. Step 5: Solve for x
    x = 24,963,247.11/5,517.20
  6. Step 6: Final answer
    x = 4,524.62

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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.