Home / 8,256.65-12,387.27-3,325.13

Finding the Fourth Proportional to 8,256.65, 12,387.27 and 3,325.13

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Solution

The fourth proportional to 8,256.65, 12,387.27 and 3,325.13 is: 4,988.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,256.65 : 12,387.27 = 3,325.13 : x
  2. Step 2: Convert to fraction form
    8,256.65/12,387.27 = 3,325.13/x
  3. Step 3: Cross multiply
    8,256.65x = 12,387.27 × 3,325.13
  4. Step 4: Simplify right side
    8,256.65x = 41,189,305.75
  5. Step 5: Solve for x
    x = 41,189,305.75/8,256.65
  6. Step 6: Final answer
    x = 4,988.62

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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.