Home / 8,918.33-13,379.01-3,073.57

Finding the Fourth Proportional to 8,918.33, 13,379.01 and 3,073.57

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Solution

The fourth proportional to 8,918.33, 13,379.01 and 3,073.57 is: 4,610.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,918.33 : 13,379.01 = 3,073.57 : x
  2. Step 2: Convert to fraction form
    8,918.33/13,379.01 = 3,073.57/x
  3. Step 3: Cross multiply
    8,918.33x = 13,379.01 × 3,073.57
  4. Step 4: Simplify right side
    8,918.33x = 41,121,329.39
  5. Step 5: Solve for x
    x = 41,121,329.39/8,918.33
  6. Step 6: Final answer
    x = 4,610.88

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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.