Home / 8,286.26-12,426.43-2,738.58

Finding the Fourth Proportional to 8,286.26, 12,426.43 and 2,738.58

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Solution

The fourth proportional to 8,286.26, 12,426.43 and 2,738.58 is: 4,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,286.26 : 12,426.43 = 2,738.58 : x
  2. Step 2: Convert to fraction form
    8,286.26/12,426.43 = 2,738.58/x
  3. Step 3: Cross multiply
    8,286.26x = 12,426.43 × 2,738.58
  4. Step 4: Simplify right side
    8,286.26x = 34,030,772.67
  5. Step 5: Solve for x
    x = 34,030,772.67/8,286.26
  6. Step 6: Final answer
    x = 4,106.89

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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.