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Finding the Fourth Proportional to 8,550.80, 12,797.02 and 7,165.70

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Solution

The fourth proportional to 8,550.80, 12,797.02 and 7,165.70 is: 10,724.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.80 : 12,797.02 = 7,165.70 : x
  2. Step 2: Convert to fraction form
    8,550.80/12,797.02 = 7,165.70/x
  3. Step 3: Cross multiply
    8,550.80x = 12,797.02 × 7,165.70
  4. Step 4: Simplify right side
    8,550.80x = 91,699,606.21
  5. Step 5: Solve for x
    x = 91,699,606.21/8,550.80
  6. Step 6: Final answer
    x = 10,724.10

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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.