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Finding the Fourth Proportional to 8,154.25, 12,230.95 and 2,310.88

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Solution

The fourth proportional to 8,154.25, 12,230.95 and 2,310.88 is: 3,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.25 : 12,230.95 = 2,310.88 : x
  2. Step 2: Convert to fraction form
    8,154.25/12,230.95 = 2,310.88/x
  3. Step 3: Cross multiply
    8,154.25x = 12,230.95 × 2,310.88
  4. Step 4: Simplify right side
    8,154.25x = 28,264,257.74
  5. Step 5: Solve for x
    x = 28,264,257.74/8,154.25
  6. Step 6: Final answer
    x = 3,466.20

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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.