Home / 8,228.70-12,344.06-2,680.55

Finding the Fourth Proportional to 8,228.70, 12,344.06 and 2,680.55

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Solution

The fourth proportional to 8,228.70, 12,344.06 and 2,680.55 is: 4,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,228.70 : 12,344.06 = 2,680.55 : x
  2. Step 2: Convert to fraction form
    8,228.70/12,344.06 = 2,680.55/x
  3. Step 3: Cross multiply
    8,228.70x = 12,344.06 × 2,680.55
  4. Step 4: Simplify right side
    8,228.70x = 33,088,930.74
  5. Step 5: Solve for x
    x = 33,088,930.74/8,228.70
  6. Step 6: Final answer
    x = 4,021.16

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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.