Home / 8,451.76-12,677.83-2,608.38

Finding the Fourth Proportional to 8,451.76, 12,677.83 and 2,608.38

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Solution

The fourth proportional to 8,451.76, 12,677.83 and 2,608.38 is: 3,912.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.76 : 12,677.83 = 2,608.38 : x
  2. Step 2: Convert to fraction form
    8,451.76/12,677.83 = 2,608.38/x
  3. Step 3: Cross multiply
    8,451.76x = 12,677.83 × 2,608.38
  4. Step 4: Simplify right side
    8,451.76x = 33,068,541.35
  5. Step 5: Solve for x
    x = 33,068,541.35/8,451.76
  6. Step 6: Final answer
    x = 3,912.62

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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.