Home / 5,825.43-8,716.50-3,486.78

Finding the Fourth Proportional to 5,825.43, 8,716.50 and 3,486.78

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Solution

The fourth proportional to 5,825.43, 8,716.50 and 3,486.78 is: 5,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.43 : 8,716.50 = 3,486.78 : x
  2. Step 2: Convert to fraction form
    5,825.43/8,716.50 = 3,486.78/x
  3. Step 3: Cross multiply
    5,825.43x = 8,716.50 × 3,486.78
  4. Step 4: Simplify right side
    5,825.43x = 30,392,517.87
  5. Step 5: Solve for x
    x = 30,392,517.87/5,825.43
  6. Step 6: Final answer
    x = 5,217.21

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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.