Home / 8,871.50-13,309.68-3,677.38

Finding the Fourth Proportional to 8,871.50, 13,309.68 and 3,677.38

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Solution

The fourth proportional to 8,871.50, 13,309.68 and 3,677.38 is: 5,517.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.50 : 13,309.68 = 3,677.38 : x
  2. Step 2: Convert to fraction form
    8,871.50/13,309.68 = 3,677.38/x
  3. Step 3: Cross multiply
    8,871.50x = 13,309.68 × 3,677.38
  4. Step 4: Simplify right side
    8,871.50x = 48,944,751.04
  5. Step 5: Solve for x
    x = 48,944,751.04/8,871.50
  6. Step 6: Final answer
    x = 5,517.08

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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.