Home / 6,861.26-10,287.99-2,180.36

Finding the Fourth Proportional to 6,861.26, 10,287.99 and 2,180.36

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Solution

The fourth proportional to 6,861.26, 10,287.99 and 2,180.36 is: 3,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.26 : 10,287.99 = 2,180.36 : x
  2. Step 2: Convert to fraction form
    6,861.26/10,287.99 = 2,180.36/x
  3. Step 3: Cross multiply
    6,861.26x = 10,287.99 × 2,180.36
  4. Step 4: Simplify right side
    6,861.26x = 22,431,470.44
  5. Step 5: Solve for x
    x = 22,431,470.44/6,861.26
  6. Step 6: Final answer
    x = 3,269.30

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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.