Home / 8,257.29-12,385.80-3,326.81

Finding the Fourth Proportional to 8,257.29, 12,385.80 and 3,326.81

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Solution

The fourth proportional to 8,257.29, 12,385.80 and 3,326.81 is: 4,990.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,257.29 : 12,385.80 = 3,326.81 : x
  2. Step 2: Convert to fraction form
    8,257.29/12,385.80 = 3,326.81/x
  3. Step 3: Cross multiply
    8,257.29x = 12,385.80 × 3,326.81
  4. Step 4: Simplify right side
    8,257.29x = 41,205,203.30
  5. Step 5: Solve for x
    x = 41,205,203.30/8,257.29
  6. Step 6: Final answer
    x = 4,990.16

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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.