Home / 5,227.56-7,839.09-1,938.24

Finding the Fourth Proportional to 5,227.56, 7,839.09 and 1,938.24

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Solution

The fourth proportional to 5,227.56, 7,839.09 and 1,938.24 is: 2,906.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.56 : 7,839.09 = 1,938.24 : x
  2. Step 2: Convert to fraction form
    5,227.56/7,839.09 = 1,938.24/x
  3. Step 3: Cross multiply
    5,227.56x = 7,839.09 × 1,938.24
  4. Step 4: Simplify right side
    5,227.56x = 15,194,037.80
  5. Step 5: Solve for x
    x = 15,194,037.80/5,227.56
  6. Step 6: Final answer
    x = 2,906.53

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1.5x scale

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.