Home / 6,654.38-9,987.75-3,369.77

Finding the Fourth Proportional to 6,654.38, 9,987.75 and 3,369.77

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Solution

The fourth proportional to 6,654.38, 9,987.75 and 3,369.77 is: 5,057.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.38 : 9,987.75 = 3,369.77 : x
  2. Step 2: Convert to fraction form
    6,654.38/9,987.75 = 3,369.77/x
  3. Step 3: Cross multiply
    6,654.38x = 9,987.75 × 3,369.77
  4. Step 4: Simplify right side
    6,654.38x = 33,656,420.32
  5. Step 5: Solve for x
    x = 33,656,420.32/6,654.38
  6. Step 6: Final answer
    x = 5,057.78

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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.