Home / 6,126.85-8,454.78-3,474.43

Finding the Fourth Proportional to 6,126.85, 8,454.78 and 3,474.43

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Solution

The fourth proportional to 6,126.85, 8,454.78 and 3,474.43 is: 4,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.85 : 8,454.78 = 3,474.43 : x
  2. Step 2: Convert to fraction form
    6,126.85/8,454.78 = 3,474.43/x
  3. Step 3: Cross multiply
    6,126.85x = 8,454.78 × 3,474.43
  4. Step 4: Simplify right side
    6,126.85x = 29,375,541.28
  5. Step 5: Solve for x
    x = 29,375,541.28/6,126.85
  6. Step 6: Final answer
    x = 4,794.56

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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.