Home / 5,377.42-8,067.12-3,817.90

Finding the Fourth Proportional to 5,377.42, 8,067.12 and 3,817.90

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Solution

The fourth proportional to 5,377.42, 8,067.12 and 3,817.90 is: 5,727.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.42 : 8,067.12 = 3,817.90 : x
  2. Step 2: Convert to fraction form
    5,377.42/8,067.12 = 3,817.90/x
  3. Step 3: Cross multiply
    5,377.42x = 8,067.12 × 3,817.90
  4. Step 4: Simplify right side
    5,377.42x = 30,799,457.45
  5. Step 5: Solve for x
    x = 30,799,457.45/5,377.42
  6. Step 6: Final answer
    x = 5,727.55

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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.