Home / 4,249.28-6,374.20-1,781.62

Finding the Fourth Proportional to 4,249.28, 6,374.20 and 1,781.62

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Solution

The fourth proportional to 4,249.28, 6,374.20 and 1,781.62 is: 2,672.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.28 : 6,374.20 = 1,781.62 : x
  2. Step 2: Convert to fraction form
    4,249.28/6,374.20 = 1,781.62/x
  3. Step 3: Cross multiply
    4,249.28x = 6,374.20 × 1,781.62
  4. Step 4: Simplify right side
    4,249.28x = 11,356,402.20
  5. Step 5: Solve for x
    x = 11,356,402.20/4,249.28
  6. Step 6: Final answer
    x = 2,672.55

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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.