Home / 7,274.38-10,908.12-3,324.47

Finding the Fourth Proportional to 7,274.38, 10,908.12 and 3,324.47

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Solution

The fourth proportional to 7,274.38, 10,908.12 and 3,324.47 is: 4,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.38 : 10,908.12 = 3,324.47 : x
  2. Step 2: Convert to fraction form
    7,274.38/10,908.12 = 3,324.47/x
  3. Step 3: Cross multiply
    7,274.38x = 10,908.12 × 3,324.47
  4. Step 4: Simplify right side
    7,274.38x = 36,263,687.60
  5. Step 5: Solve for x
    x = 36,263,687.60/7,274.38
  6. Step 6: Final answer
    x = 4,985.12

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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.