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Finding the Fourth Proportional to 5,396.48, 8,087.04 and 2,662.40

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Solution

The fourth proportional to 5,396.48, 8,087.04 and 2,662.40 is: 3,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,396.48 : 8,087.04 = 2,662.40 : x
  2. Step 2: Convert to fraction form
    5,396.48/8,087.04 = 2,662.40/x
  3. Step 3: Cross multiply
    5,396.48x = 8,087.04 × 2,662.40
  4. Step 4: Simplify right side
    5,396.48x = 21,530,935.30
  5. Step 5: Solve for x
    x = 21,530,935.30/5,396.48
  6. Step 6: Final answer
    x = 3,989.81

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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.