Home / 5,719.96-8,571.78-3,380.44

Finding the Fourth Proportional to 5,719.96, 8,571.78 and 3,380.44

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Solution

The fourth proportional to 5,719.96, 8,571.78 and 3,380.44 is: 5,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,719.96 : 8,571.78 = 3,380.44 : x
  2. Step 2: Convert to fraction form
    5,719.96/8,571.78 = 3,380.44/x
  3. Step 3: Cross multiply
    5,719.96x = 8,571.78 × 3,380.44
  4. Step 4: Simplify right side
    5,719.96x = 28,976,387.98
  5. Step 5: Solve for x
    x = 28,976,387.98/5,719.96
  6. Step 6: Final answer
    x = 5,065.84

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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.