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Finding the Fourth Proportional to 8,099.13, 11,172.98 and 4,739.87

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Solution

The fourth proportional to 8,099.13, 11,172.98 and 4,739.87 is: 6,538.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,099.13 : 11,172.98 = 4,739.87 : x
  2. Step 2: Convert to fraction form
    8,099.13/11,172.98 = 4,739.87/x
  3. Step 3: Cross multiply
    8,099.13x = 11,172.98 × 4,739.87
  4. Step 4: Simplify right side
    8,099.13x = 52,958,393.15
  5. Step 5: Solve for x
    x = 52,958,393.15/8,099.13
  6. Step 6: Final answer
    x = 6,538.78

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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.