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Finding the Fourth Proportional to 5,251.01, 7,871.11 and 3,602.21

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Solution

The fourth proportional to 5,251.01, 7,871.11 and 3,602.21 is: 5,399.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.01 : 7,871.11 = 3,602.21 : x
  2. Step 2: Convert to fraction form
    5,251.01/7,871.11 = 3,602.21/x
  3. Step 3: Cross multiply
    5,251.01x = 7,871.11 × 3,602.21
  4. Step 4: Simplify right side
    5,251.01x = 28,353,391.15
  5. Step 5: Solve for x
    x = 28,353,391.15/5,251.01
  6. Step 6: Final answer
    x = 5,399.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.