Home / 7,950.82-11,912.97-3,501.86

Finding the Fourth Proportional to 7,950.82, 11,912.97 and 3,501.86

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Solution

The fourth proportional to 7,950.82, 11,912.97 and 3,501.86 is: 5,246.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,950.82 : 11,912.97 = 3,501.86 : x
  2. Step 2: Convert to fraction form
    7,950.82/11,912.97 = 3,501.86/x
  3. Step 3: Cross multiply
    7,950.82x = 11,912.97 × 3,501.86
  4. Step 4: Simplify right side
    7,950.82x = 41,717,535.61
  5. Step 5: Solve for x
    x = 41,717,535.61/7,950.82
  6. Step 6: Final answer
    x = 5,246.95

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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.