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Finding the Fourth Proportional to 8,153.96, 12,230.22 and 2,959.88

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Solution

The fourth proportional to 8,153.96, 12,230.22 and 2,959.88 is: 4,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.96 : 12,230.22 = 2,959.88 : x
  2. Step 2: Convert to fraction form
    8,153.96/12,230.22 = 2,959.88/x
  3. Step 3: Cross multiply
    8,153.96x = 12,230.22 × 2,959.88
  4. Step 4: Simplify right side
    8,153.96x = 36,199,983.57
  5. Step 5: Solve for x
    x = 36,199,983.57/8,153.96
  6. Step 6: Final answer
    x = 4,439.56

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1.5x scale

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.