Home / 4,691.78-6,474.62-2,702.70

Finding the Fourth Proportional to 4,691.78, 6,474.62 and 2,702.70

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Solution

The fourth proportional to 4,691.78, 6,474.62 and 2,702.70 is: 3,729.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,691.78 : 6,474.62 = 2,702.70 : x
  2. Step 2: Convert to fraction form
    4,691.78/6,474.62 = 2,702.70/x
  3. Step 3: Cross multiply
    4,691.78x = 6,474.62 × 2,702.70
  4. Step 4: Simplify right side
    4,691.78x = 17,498,941.96
  5. Step 5: Solve for x
    x = 17,498,941.96/4,691.78
  6. Step 6: Final answer
    x = 3,729.71

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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.