Home / 10,538.88-15,809.25-2,747.76

Finding the Fourth Proportional to 10,538.88, 15,809.25 and 2,747.76

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Solution

The fourth proportional to 10,538.88, 15,809.25 and 2,747.76 is: 4,121.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.88 : 15,809.25 = 2,747.76 : x
  2. Step 2: Convert to fraction form
    10,538.88/15,809.25 = 2,747.76/x
  3. Step 3: Cross multiply
    10,538.88x = 15,809.25 × 2,747.76
  4. Step 4: Simplify right side
    10,538.88x = 43,440,024.78
  5. Step 5: Solve for x
    x = 43,440,024.78/10,538.88
  6. Step 6: Final answer
    x = 4,121.88

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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.