Home / 4,825.12-7,227.76-2,512.80

Finding the Fourth Proportional to 4,825.12, 7,227.76 and 2,512.80

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Solution

The fourth proportional to 4,825.12, 7,227.76 and 2,512.80 is: 3,764.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,825.12 : 7,227.76 = 2,512.80 : x
  2. Step 2: Convert to fraction form
    4,825.12/7,227.76 = 2,512.80/x
  3. Step 3: Cross multiply
    4,825.12x = 7,227.76 × 2,512.80
  4. Step 4: Simplify right side
    4,825.12x = 18,161,915.33
  5. Step 5: Solve for x
    x = 18,161,915.33/4,825.12
  6. Step 6: Final answer
    x = 3,764.03

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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.