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Finding the Fourth Proportional to 6,080.50, 8,391.09 and 3,286

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Solution

The fourth proportional to 6,080.50, 8,391.09 and 3,286 is: 4,534.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.50 : 8,391.09 = 3,286 : x
  2. Step 2: Convert to fraction form
    6,080.50/8,391.09 = 3,286/x
  3. Step 3: Cross multiply
    6,080.50x = 8,391.09 × 3,286
  4. Step 4: Simplify right side
    6,080.50x = 27,573,121.74
  5. Step 5: Solve for x
    x = 27,573,121.74/6,080.50
  6. Step 6: Final answer
    x = 4,534.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.