Home / 8,476.29-12,708.36-2,629.71

Finding the Fourth Proportional to 8,476.29, 12,708.36 and 2,629.71

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Solution

The fourth proportional to 8,476.29, 12,708.36 and 2,629.71 is: 3,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.29 : 12,708.36 = 2,629.71 : x
  2. Step 2: Convert to fraction form
    8,476.29/12,708.36 = 2,629.71/x
  3. Step 3: Cross multiply
    8,476.29x = 12,708.36 × 2,629.71
  4. Step 4: Simplify right side
    8,476.29x = 33,419,301.38
  5. Step 5: Solve for x
    x = 33,419,301.38/8,476.29
  6. Step 6: Final answer
    x = 3,942.68

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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.