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Finding the Fourth Proportional to 5,868.72, 8,098.79 and 3,216.11

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Solution

The fourth proportional to 5,868.72, 8,098.79 and 3,216.11 is: 4,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,868.72 : 8,098.79 = 3,216.11 : x
  2. Step 2: Convert to fraction form
    5,868.72/8,098.79 = 3,216.11/x
  3. Step 3: Cross multiply
    5,868.72x = 8,098.79 × 3,216.11
  4. Step 4: Simplify right side
    5,868.72x = 26,046,542.93
  5. Step 5: Solve for x
    x = 26,046,542.93/5,868.72
  6. Step 6: Final answer
    x = 4,438.20

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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.