Home / 4,521.61-6,781.50-3,147.44

Finding the Fourth Proportional to 4,521.61, 6,781.50 and 3,147.44

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Solution

The fourth proportional to 4,521.61, 6,781.50 and 3,147.44 is: 4,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,521.61 : 6,781.50 = 3,147.44 : x
  2. Step 2: Convert to fraction form
    4,521.61/6,781.50 = 3,147.44/x
  3. Step 3: Cross multiply
    4,521.61x = 6,781.50 × 3,147.44
  4. Step 4: Simplify right side
    4,521.61x = 21,344,348.62
  5. Step 5: Solve for x
    x = 21,344,348.62/4,521.61
  6. Step 6: Final answer
    x = 4,720.52

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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.