Home / 7,942.19-11,917.13-3,265.65

Finding the Fourth Proportional to 7,942.19, 11,917.13 and 3,265.65

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Solution

The fourth proportional to 7,942.19, 11,917.13 and 3,265.65 is: 4,900.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942.19 : 11,917.13 = 3,265.65 : x
  2. Step 2: Convert to fraction form
    7,942.19/11,917.13 = 3,265.65/x
  3. Step 3: Cross multiply
    7,942.19x = 11,917.13 × 3,265.65
  4. Step 4: Simplify right side
    7,942.19x = 38,917,159.26
  5. Step 5: Solve for x
    x = 38,917,159.26/7,942.19
  6. Step 6: Final answer
    x = 4,900.06

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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.