Home / 6,371.46-8,791.11-3,717.90

Finding the Fourth Proportional to 6,371.46, 8,791.11 and 3,717.90

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Solution

The fourth proportional to 6,371.46, 8,791.11 and 3,717.90 is: 5,129.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.46 : 8,791.11 = 3,717.90 : x
  2. Step 2: Convert to fraction form
    6,371.46/8,791.11 = 3,717.90/x
  3. Step 3: Cross multiply
    6,371.46x = 8,791.11 × 3,717.90
  4. Step 4: Simplify right side
    6,371.46x = 32,684,467.87
  5. Step 5: Solve for x
    x = 32,684,467.87/6,371.46
  6. Step 6: Final answer
    x = 5,129.82

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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.