Home / 5,517.18-7,614.27-3,159.81

Finding the Fourth Proportional to 5,517.18, 7,614.27 and 3,159.81

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Solution

The fourth proportional to 5,517.18, 7,614.27 and 3,159.81 is: 4,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.18 : 7,614.27 = 3,159.81 : x
  2. Step 2: Convert to fraction form
    5,517.18/7,614.27 = 3,159.81/x
  3. Step 3: Cross multiply
    5,517.18x = 7,614.27 × 3,159.81
  4. Step 4: Simplify right side
    5,517.18x = 24,059,646.49
  5. Step 5: Solve for x
    x = 24,059,646.49/5,517.18
  6. Step 6: Final answer
    x = 4,360.86

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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.