Home / 8,255.29-12,382.80-3,324.81

Finding the Fourth Proportional to 8,255.29, 12,382.80 and 3,324.81

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Solution

The fourth proportional to 8,255.29, 12,382.80 and 3,324.81 is: 4,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,255.29 : 12,382.80 = 3,324.81 : x
  2. Step 2: Convert to fraction form
    8,255.29/12,382.80 = 3,324.81/x
  3. Step 3: Cross multiply
    8,255.29x = 12,382.80 × 3,324.81
  4. Step 4: Simplify right side
    8,255.29x = 41,170,457.27
  5. Step 5: Solve for x
    x = 41,170,457.27/8,255.29
  6. Step 6: Final answer
    x = 4,987.16

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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.