Home / 8,744.11-13,114.32-2,821.55

Finding the Fourth Proportional to 8,744.11, 13,114.32 and 2,821.55

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Solution

The fourth proportional to 8,744.11, 13,114.32 and 2,821.55 is: 4,231.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.11 : 13,114.32 = 2,821.55 : x
  2. Step 2: Convert to fraction form
    8,744.11/13,114.32 = 2,821.55/x
  3. Step 3: Cross multiply
    8,744.11x = 13,114.32 × 2,821.55
  4. Step 4: Simplify right side
    8,744.11x = 37,002,709.60
  5. Step 5: Solve for x
    x = 37,002,709.60/8,744.11
  6. Step 6: Final answer
    x = 4,231.73

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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.