Home / 5,812.79-8,716.46-2,112.44

Finding the Fourth Proportional to 5,812.79, 8,716.46 and 2,112.44

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Solution

The fourth proportional to 5,812.79, 8,716.46 and 2,112.44 is: 3,167.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,812.79 : 8,716.46 = 2,112.44 : x
  2. Step 2: Convert to fraction form
    5,812.79/8,716.46 = 2,112.44/x
  3. Step 3: Cross multiply
    5,812.79x = 8,716.46 × 2,112.44
  4. Step 4: Simplify right side
    5,812.79x = 18,412,944.62
  5. Step 5: Solve for x
    x = 18,412,944.62/5,812.79
  6. Step 6: Final answer
    x = 3,167.66

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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.