Home / 5,540.85-8,314.38-2,943.72

Finding the Fourth Proportional to 5,540.85, 8,314.38 and 2,943.72

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Solution

The fourth proportional to 5,540.85, 8,314.38 and 2,943.72 is: 4,417.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.85 : 8,314.38 = 2,943.72 : x
  2. Step 2: Convert to fraction form
    5,540.85/8,314.38 = 2,943.72/x
  3. Step 3: Cross multiply
    5,540.85x = 8,314.38 × 2,943.72
  4. Step 4: Simplify right side
    5,540.85x = 24,475,191.98
  5. Step 5: Solve for x
    x = 24,475,191.98/5,540.85
  6. Step 6: Final answer
    x = 4,417.23

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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.