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Finding the Fourth Proportional to 8,825.57, 13,241.79 and 3,891.73

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Solution

The fourth proportional to 8,825.57, 13,241.79 and 3,891.73 is: 5,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,825.57 : 13,241.79 = 3,891.73 : x
  2. Step 2: Convert to fraction form
    8,825.57/13,241.79 = 3,891.73/x
  3. Step 3: Cross multiply
    8,825.57x = 13,241.79 × 3,891.73
  4. Step 4: Simplify right side
    8,825.57x = 51,533,471.40
  5. Step 5: Solve for x
    x = 51,533,471.40/8,825.57
  6. Step 6: Final answer
    x = 5,839.11

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1.5x scale

Why These Related Problems?

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