Home / 5,581.28-8,373.44-3,117.87

Finding the Fourth Proportional to 5,581.28, 8,373.44 and 3,117.87

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Solution

The fourth proportional to 5,581.28, 8,373.44 and 3,117.87 is: 4,677.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.28 : 8,373.44 = 3,117.87 : x
  2. Step 2: Convert to fraction form
    5,581.28/8,373.44 = 3,117.87/x
  3. Step 3: Cross multiply
    5,581.28x = 8,373.44 × 3,117.87
  4. Step 4: Simplify right side
    5,581.28x = 26,107,305.17
  5. Step 5: Solve for x
    x = 26,107,305.17/5,581.28
  6. Step 6: Final answer
    x = 4,677.65

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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.