Home / 5,165.28-7,747.16-1,702.56

Finding the Fourth Proportional to 5,165.28, 7,747.16 and 1,702.56

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Solution

The fourth proportional to 5,165.28, 7,747.16 and 1,702.56 is: 2,553.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.28 : 7,747.16 = 1,702.56 : x
  2. Step 2: Convert to fraction form
    5,165.28/7,747.16 = 1,702.56/x
  3. Step 3: Cross multiply
    5,165.28x = 7,747.16 × 1,702.56
  4. Step 4: Simplify right side
    5,165.28x = 13,190,004.73
  5. Step 5: Solve for x
    x = 13,190,004.73/5,165.28
  6. Step 6: Final answer
    x = 2,553.59

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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.