Home / 8,471.14-12,708.60-2,627.80

Finding the Fourth Proportional to 8,471.14, 12,708.60 and 2,627.80

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Solution

The fourth proportional to 8,471.14, 12,708.60 and 2,627.80 is: 3,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,471.14 : 12,708.60 = 2,627.80 : x
  2. Step 2: Convert to fraction form
    8,471.14/12,708.60 = 2,627.80/x
  3. Step 3: Cross multiply
    8,471.14x = 12,708.60 × 2,627.80
  4. Step 4: Simplify right side
    8,471.14x = 33,395,659.08
  5. Step 5: Solve for x
    x = 33,395,659.08/8,471.14
  6. Step 6: Final answer
    x = 3,942.29

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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.