Home / 8,872.11-13,309.52-2,631.47

Finding the Fourth Proportional to 8,872.11, 13,309.52 and 2,631.47

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Solution

The fourth proportional to 8,872.11, 13,309.52 and 2,631.47 is: 3,947.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,872.11 : 13,309.52 = 2,631.47 : x
  2. Step 2: Convert to fraction form
    8,872.11/13,309.52 = 2,631.47/x
  3. Step 3: Cross multiply
    8,872.11x = 13,309.52 × 2,631.47
  4. Step 4: Simplify right side
    8,872.11x = 35,023,522.89
  5. Step 5: Solve for x
    x = 35,023,522.89/8,872.11
  6. Step 6: Final answer
    x = 3,947.60

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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.