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Finding the Fourth Proportional to 4,654.87, 6,980.11 and 1,691.22

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Solution

The fourth proportional to 4,654.87, 6,980.11 and 1,691.22 is: 2,536.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,654.87 : 6,980.11 = 1,691.22 : x
  2. Step 2: Convert to fraction form
    4,654.87/6,980.11 = 1,691.22/x
  3. Step 3: Cross multiply
    4,654.87x = 6,980.11 × 1,691.22
  4. Step 4: Simplify right side
    4,654.87x = 11,804,932.28
  5. Step 5: Solve for x
    x = 11,804,932.28/4,654.87
  6. Step 6: Final answer
    x = 2,536.04

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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.