Home / 8,255.34-12,382.97-2,708.64

Finding the Fourth Proportional to 8,255.34, 12,382.97 and 2,708.64

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Solution

The fourth proportional to 8,255.34, 12,382.97 and 2,708.64 is: 4,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.34 : 12,382.97 = 2,708.64 : x
  2. Step 2: Convert to fraction form
    8,255.34/12,382.97 = 2,708.64/x
  3. Step 3: Cross multiply
    8,255.34x = 12,382.97 × 2,708.64
  4. Step 4: Simplify right side
    8,255.34x = 33,540,994.32
  5. Step 5: Solve for x
    x = 33,540,994.32/8,255.34
  6. Step 6: Final answer
    x = 4,062.95

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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.