Home / 5,218.11-7,839.15-3,372.84

Finding the Fourth Proportional to 5,218.11, 7,839.15 and 3,372.84

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Solution

The fourth proportional to 5,218.11, 7,839.15 and 3,372.84 is: 5,067.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.11 : 7,839.15 = 3,372.84 : x
  2. Step 2: Convert to fraction form
    5,218.11/7,839.15 = 3,372.84/x
  3. Step 3: Cross multiply
    5,218.11x = 7,839.15 × 3,372.84
  4. Step 4: Simplify right side
    5,218.11x = 26,440,198.69
  5. Step 5: Solve for x
    x = 26,440,198.69/5,218.11
  6. Step 6: Final answer
    x = 5,067.01

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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.