Home / 7,515.29-11,273.09-2,321.16

Finding the Fourth Proportional to 7,515.29, 11,273.09 and 2,321.16

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Solution

The fourth proportional to 7,515.29, 11,273.09 and 2,321.16 is: 3,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,515.29 : 11,273.09 = 2,321.16 : x
  2. Step 2: Convert to fraction form
    7,515.29/11,273.09 = 2,321.16/x
  3. Step 3: Cross multiply
    7,515.29x = 11,273.09 × 2,321.16
  4. Step 4: Simplify right side
    7,515.29x = 26,166,633.98
  5. Step 5: Solve for x
    x = 26,166,633.98/7,515.29
  6. Step 6: Final answer
    x = 3,481.79

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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.