Home / 8,724.06-13,086.70-2,884.78

Finding the Fourth Proportional to 8,724.06, 13,086.70 and 2,884.78

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Solution

The fourth proportional to 8,724.06, 13,086.70 and 2,884.78 is: 4,327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.06 : 13,086.70 = 2,884.78 : x
  2. Step 2: Convert to fraction form
    8,724.06/13,086.70 = 2,884.78/x
  3. Step 3: Cross multiply
    8,724.06x = 13,086.70 × 2,884.78
  4. Step 4: Simplify right side
    8,724.06x = 37,752,250.43
  5. Step 5: Solve for x
    x = 37,752,250.43/8,724.06
  6. Step 6: Final answer
    x = 4,327.37

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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.