Home / 6,372.41-8,791.54-4,134.78

Finding the Fourth Proportional to 6,372.41, 8,791.54 and 4,134.78

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Solution

The fourth proportional to 6,372.41, 8,791.54 and 4,134.78 is: 5,704.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,372.41 : 8,791.54 = 4,134.78 : x
  2. Step 2: Convert to fraction form
    6,372.41/8,791.54 = 4,134.78/x
  3. Step 3: Cross multiply
    6,372.41x = 8,791.54 × 4,134.78
  4. Step 4: Simplify right side
    6,372.41x = 36,351,073.42
  5. Step 5: Solve for x
    x = 36,351,073.42/6,372.41
  6. Step 6: Final answer
    x = 5,704.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.