Home / 10,640.28-15,962.72-3,244.56

Finding the Fourth Proportional to 10,640.28, 15,962.72 and 3,244.56

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Solution

The fourth proportional to 10,640.28, 15,962.72 and 3,244.56 is: 4,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.28 : 15,962.72 = 3,244.56 : x
  2. Step 2: Convert to fraction form
    10,640.28/15,962.72 = 3,244.56/x
  3. Step 3: Cross multiply
    10,640.28x = 15,962.72 × 3,244.56
  4. Step 4: Simplify right side
    10,640.28x = 51,792,002.80
  5. Step 5: Solve for x
    x = 51,792,002.80/10,640.28
  6. Step 6: Final answer
    x = 4,867.54

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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.