Home / 8,871.87-13,308.57-3,251.06

Finding the Fourth Proportional to 8,871.87, 13,308.57 and 3,251.06

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Solution

The fourth proportional to 8,871.87, 13,308.57 and 3,251.06 is: 4,876.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.87 : 13,308.57 = 3,251.06 : x
  2. Step 2: Convert to fraction form
    8,871.87/13,308.57 = 3,251.06/x
  3. Step 3: Cross multiply
    8,871.87x = 13,308.57 × 3,251.06
  4. Step 4: Simplify right side
    8,871.87x = 43,266,992.86
  5. Step 5: Solve for x
    x = 43,266,992.86/8,871.87
  6. Step 6: Final answer
    x = 4,876.87

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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.