Home / 7,941.24-11,912.94-2,747.52

Finding the Fourth Proportional to 7,941.24, 11,912.94 and 2,747.52

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Solution

The fourth proportional to 7,941.24, 11,912.94 and 2,747.52 is: 4,121.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.24 : 11,912.94 = 2,747.52 : x
  2. Step 2: Convert to fraction form
    7,941.24/11,912.94 = 2,747.52/x
  3. Step 3: Cross multiply
    7,941.24x = 11,912.94 × 2,747.52
  4. Step 4: Simplify right side
    7,941.24x = 32,731,040.91
  5. Step 5: Solve for x
    x = 32,731,040.91/7,941.24
  6. Step 6: Final answer
    x = 4,121.65

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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.