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Finding the Fourth Proportional to 5,587.56, 7,710.78 and 3,229.56

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Solution

The fourth proportional to 5,587.56, 7,710.78 and 3,229.56 is: 4,456.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,587.56 : 7,710.78 = 3,229.56 : x
  2. Step 2: Convert to fraction form
    5,587.56/7,710.78 = 3,229.56/x
  3. Step 3: Cross multiply
    5,587.56x = 7,710.78 × 3,229.56
  4. Step 4: Simplify right side
    5,587.56x = 24,902,426.66
  5. Step 5: Solve for x
    x = 24,902,426.66/5,587.56
  6. Step 6: Final answer
    x = 4,456.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.