Home / 8,204.09-12,306.51-2,657.86

Finding the Fourth Proportional to 8,204.09, 12,306.51 and 2,657.86

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Solution

The fourth proportional to 8,204.09, 12,306.51 and 2,657.86 is: 3,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,204.09 : 12,306.51 = 2,657.86 : x
  2. Step 2: Convert to fraction form
    8,204.09/12,306.51 = 2,657.86/x
  3. Step 3: Cross multiply
    8,204.09x = 12,306.51 × 2,657.86
  4. Step 4: Simplify right side
    8,204.09x = 32,708,949.90
  5. Step 5: Solve for x
    x = 32,708,949.90/8,204.09
  6. Step 6: Final answer
    x = 3,986.91

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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.