Home / 8,254.40-12,382.17-3,324.05

Finding the Fourth Proportional to 8,254.40, 12,382.17 and 3,324.05

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Solution

The fourth proportional to 8,254.40, 12,382.17 and 3,324.05 is: 4,986.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.40 : 12,382.17 = 3,324.05 : x
  2. Step 2: Convert to fraction form
    8,254.40/12,382.17 = 3,324.05/x
  3. Step 3: Cross multiply
    8,254.40x = 12,382.17 × 3,324.05
  4. Step 4: Simplify right side
    8,254.40x = 41,158,952.19
  5. Step 5: Solve for x
    x = 41,158,952.19/8,254.40
  6. Step 6: Final answer
    x = 4,986.30

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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.