Home / 8,568.26-12,853.86-2,945.66

Finding the Fourth Proportional to 8,568.26, 12,853.86 and 2,945.66

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Solution

The fourth proportional to 8,568.26, 12,853.86 and 2,945.66 is: 4,418.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.26 : 12,853.86 = 2,945.66 : x
  2. Step 2: Convert to fraction form
    8,568.26/12,853.86 = 2,945.66/x
  3. Step 3: Cross multiply
    8,568.26x = 12,853.86 × 2,945.66
  4. Step 4: Simplify right side
    8,568.26x = 37,863,086.52
  5. Step 5: Solve for x
    x = 37,863,086.52/8,568.26
  6. Step 6: Final answer
    x = 4,418.99

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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.