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Finding the Fourth Proportional to 6,630.78, 9,948.78 and 2,734.26

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Solution

The fourth proportional to 6,630.78, 9,948.78 and 2,734.26 is: 4,102.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,630.78 : 9,948.78 = 2,734.26 : x
  2. Step 2: Convert to fraction form
    6,630.78/9,948.78 = 2,734.26/x
  3. Step 3: Cross multiply
    6,630.78x = 9,948.78 × 2,734.26
  4. Step 4: Simplify right side
    6,630.78x = 27,202,551.20
  5. Step 5: Solve for x
    x = 27,202,551.20/6,630.78
  6. Step 6: Final answer
    x = 4,102.47

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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.