Home / 8,166.22-12,251.12-2,972.08

Finding the Fourth Proportional to 8,166.22, 12,251.12 and 2,972.08

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Solution

The fourth proportional to 8,166.22, 12,251.12 and 2,972.08 is: 4,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.22 : 12,251.12 = 2,972.08 : x
  2. Step 2: Convert to fraction form
    8,166.22/12,251.12 = 2,972.08/x
  3. Step 3: Cross multiply
    8,166.22x = 12,251.12 × 2,972.08
  4. Step 4: Simplify right side
    8,166.22x = 36,411,308.73
  5. Step 5: Solve for x
    x = 36,411,308.73/8,166.22
  6. Step 6: Final answer
    x = 4,458.77

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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.