Home / 8,308.26-12,454.99-3,039.61

Finding the Fourth Proportional to 8,308.26, 12,454.99 and 3,039.61

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Solution

The fourth proportional to 8,308.26, 12,454.99 and 3,039.61 is: 4,556.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.26 : 12,454.99 = 3,039.61 : x
  2. Step 2: Convert to fraction form
    8,308.26/12,454.99 = 3,039.61/x
  3. Step 3: Cross multiply
    8,308.26x = 12,454.99 × 3,039.61
  4. Step 4: Simplify right side
    8,308.26x = 37,858,312.15
  5. Step 5: Solve for x
    x = 37,858,312.15/8,308.26
  6. Step 6: Final answer
    x = 4,556.71

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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.