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Finding the Fourth Proportional to 8,617.28, 12,927.14 and 3,069.44

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Solution

The fourth proportional to 8,617.28, 12,927.14 and 3,069.44 is: 4,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,617.28 : 12,927.14 = 3,069.44 : x
  2. Step 2: Convert to fraction form
    8,617.28/12,927.14 = 3,069.44/x
  3. Step 3: Cross multiply
    8,617.28x = 12,927.14 × 3,069.44
  4. Step 4: Simplify right side
    8,617.28x = 39,679,000.62
  5. Step 5: Solve for x
    x = 39,679,000.62/8,617.28
  6. Step 6: Final answer
    x = 4,604.59

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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.