Home / 7,954.38-11,923.26-2,687.57

Finding the Fourth Proportional to 7,954.38, 11,923.26 and 2,687.57

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Solution

The fourth proportional to 7,954.38, 11,923.26 and 2,687.57 is: 4,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,954.38 : 11,923.26 = 2,687.57 : x
  2. Step 2: Convert to fraction form
    7,954.38/11,923.26 = 2,687.57/x
  3. Step 3: Cross multiply
    7,954.38x = 11,923.26 × 2,687.57
  4. Step 4: Simplify right side
    7,954.38x = 32,044,536.26
  5. Step 5: Solve for x
    x = 32,044,536.26/7,954.38
  6. Step 6: Final answer
    x = 4,028.54

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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.