Home / 7,170.24-10,757.76-3,274.56

Finding the Fourth Proportional to 7,170.24, 10,757.76 and 3,274.56

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Solution

The fourth proportional to 7,170.24, 10,757.76 and 3,274.56 is: 4,912.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.24 : 10,757.76 = 3,274.56 : x
  2. Step 2: Convert to fraction form
    7,170.24/10,757.76 = 3,274.56/x
  3. Step 3: Cross multiply
    7,170.24x = 10,757.76 × 3,274.56
  4. Step 4: Simplify right side
    7,170.24x = 35,226,930.59
  5. Step 5: Solve for x
    x = 35,226,930.59/7,170.24
  6. Step 6: Final answer
    x = 4,912.94

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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.