Home / 8,695.42-13,044.16-3,151.38

Finding the Fourth Proportional to 8,695.42, 13,044.16 and 3,151.38

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Solution

The fourth proportional to 8,695.42, 13,044.16 and 3,151.38 is: 4,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.42 : 13,044.16 = 3,151.38 : x
  2. Step 2: Convert to fraction form
    8,695.42/13,044.16 = 3,151.38/x
  3. Step 3: Cross multiply
    8,695.42x = 13,044.16 × 3,151.38
  4. Step 4: Simplify right side
    8,695.42x = 41,107,104.94
  5. Step 5: Solve for x
    x = 41,107,104.94/8,695.42
  6. Step 6: Final answer
    x = 4,727.44

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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.