Home / 8,689.08-13,034.38-2,449.14

Finding the Fourth Proportional to 8,689.08, 13,034.38 and 2,449.14

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Solution

The fourth proportional to 8,689.08, 13,034.38 and 2,449.14 is: 3,673.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.08 : 13,034.38 = 2,449.14 : x
  2. Step 2: Convert to fraction form
    8,689.08/13,034.38 = 2,449.14/x
  3. Step 3: Cross multiply
    8,689.08x = 13,034.38 × 2,449.14
  4. Step 4: Simplify right side
    8,689.08x = 31,923,021.43
  5. Step 5: Solve for x
    x = 31,923,021.43/8,689.08
  6. Step 6: Final answer
    x = 3,673.93

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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.