Home / 4,540.87-6,815.85-3,149.38

Finding the Fourth Proportional to 4,540.87, 6,815.85 and 3,149.38

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Solution

The fourth proportional to 4,540.87, 6,815.85 and 3,149.38 is: 4,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,540.87 : 6,815.85 = 3,149.38 : x
  2. Step 2: Convert to fraction form
    4,540.87/6,815.85 = 3,149.38/x
  3. Step 3: Cross multiply
    4,540.87x = 6,815.85 × 3,149.38
  4. Step 4: Simplify right side
    4,540.87x = 21,465,701.67
  5. Step 5: Solve for x
    x = 21,465,701.67/4,540.87
  6. Step 6: Final answer
    x = 4,727.22

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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.