Home / 7,516.73-11,273.26-3,131.79

Finding the Fourth Proportional to 7,516.73, 11,273.26 and 3,131.79

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Solution

The fourth proportional to 7,516.73, 11,273.26 and 3,131.79 is: 4,696.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.73 : 11,273.26 = 3,131.79 : x
  2. Step 2: Convert to fraction form
    7,516.73/11,273.26 = 3,131.79/x
  3. Step 3: Cross multiply
    7,516.73x = 11,273.26 × 3,131.79
  4. Step 4: Simplify right side
    7,516.73x = 35,305,482.94
  5. Step 5: Solve for x
    x = 35,305,482.94/7,516.73
  6. Step 6: Final answer
    x = 4,696.92

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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.