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Finding the Fourth Proportional to 4,449.53, 6,672.03 and 1,486.92

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Solution

The fourth proportional to 4,449.53, 6,672.03 and 1,486.92 is: 2,229.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,449.53 : 6,672.03 = 1,486.92 : x
  2. Step 2: Convert to fraction form
    4,449.53/6,672.03 = 1,486.92/x
  3. Step 3: Cross multiply
    4,449.53x = 6,672.03 × 1,486.92
  4. Step 4: Simplify right side
    4,449.53x = 9,920,774.85
  5. Step 5: Solve for x
    x = 9,920,774.85/4,449.53
  6. Step 6: Final answer
    x = 2,229.62

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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.