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Finding the Fourth Proportional to 4,438.97, 6,658.46 and 1,517.30

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Solution

The fourth proportional to 4,438.97, 6,658.46 and 1,517.30 is: 2,275.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.97 : 6,658.46 = 1,517.30 : x
  2. Step 2: Convert to fraction form
    4,438.97/6,658.46 = 1,517.30/x
  3. Step 3: Cross multiply
    4,438.97x = 6,658.46 × 1,517.30
  4. Step 4: Simplify right side
    4,438.97x = 10,102,896.11
  5. Step 5: Solve for x
    x = 10,102,896.11/4,438.97
  6. Step 6: Final answer
    x = 2,275.95

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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.