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Finding the Fourth Proportional to 8,152.90, 12,226.17 and 2,885.88

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Solution

The fourth proportional to 8,152.90, 12,226.17 and 2,885.88 is: 4,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,152.90 : 12,226.17 = 2,885.88 : x
  2. Step 2: Convert to fraction form
    8,152.90/12,226.17 = 2,885.88/x
  3. Step 3: Cross multiply
    8,152.90x = 12,226.17 × 2,885.88
  4. Step 4: Simplify right side
    8,152.90x = 35,283,223.03
  5. Step 5: Solve for x
    x = 35,283,223.03/8,152.90
  6. Step 6: Final answer
    x = 4,327.69

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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.