Home / 7,945.29-11,917.94-3,013.76

Finding the Fourth Proportional to 7,945.29, 11,917.94 and 3,013.76

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Solution

The fourth proportional to 7,945.29, 11,917.94 and 3,013.76 is: 4,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.29 : 11,917.94 = 3,013.76 : x
  2. Step 2: Convert to fraction form
    7,945.29/11,917.94 = 3,013.76/x
  3. Step 3: Cross multiply
    7,945.29x = 11,917.94 × 3,013.76
  4. Step 4: Simplify right side
    7,945.29x = 35,917,758.54
  5. Step 5: Solve for x
    x = 35,917,758.54/7,945.29
  6. Step 6: Final answer
    x = 4,520.64

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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.