Home / 6,371.40-8,791.74-3,717.96

Finding the Fourth Proportional to 6,371.40, 8,791.74 and 3,717.96

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Solution

The fourth proportional to 6,371.40, 8,791.74 and 3,717.96 is: 5,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,371.40 : 8,791.74 = 3,717.96 : x
  2. Step 2: Convert to fraction form
    6,371.40/8,791.74 = 3,717.96/x
  3. Step 3: Cross multiply
    6,371.40x = 8,791.74 × 3,717.96
  4. Step 4: Simplify right side
    6,371.40x = 32,687,337.65
  5. Step 5: Solve for x
    x = 32,687,337.65/6,371.40
  6. Step 6: Final answer
    x = 5,130.32

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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.