Home / 10,260.25-15,391.86-3,237.88

Finding the Fourth Proportional to 10,260.25, 15,391.86 and 3,237.88

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Solution

The fourth proportional to 10,260.25, 15,391.86 and 3,237.88 is: 4,857.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.25 : 15,391.86 = 3,237.88 : x
  2. Step 2: Convert to fraction form
    10,260.25/15,391.86 = 3,237.88/x
  3. Step 3: Cross multiply
    10,260.25x = 15,391.86 × 3,237.88
  4. Step 4: Simplify right side
    10,260.25x = 49,836,995.66
  5. Step 5: Solve for x
    x = 49,836,995.66/10,260.25
  6. Step 6: Final answer
    x = 4,857.29

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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.