Home / 5,134.97-7,702.45-1,239.38

Finding the Fourth Proportional to 5,134.97, 7,702.45 and 1,239.38

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Solution

The fourth proportional to 5,134.97, 7,702.45 and 1,239.38 is: 1,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.97 : 7,702.45 = 1,239.38 : x
  2. Step 2: Convert to fraction form
    5,134.97/7,702.45 = 1,239.38/x
  3. Step 3: Cross multiply
    5,134.97x = 7,702.45 × 1,239.38
  4. Step 4: Simplify right side
    5,134.97x = 9,546,223.97
  5. Step 5: Solve for x
    x = 9,546,223.97/5,134.97
  6. Step 6: Final answer
    x = 1,859.06

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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.