Home / 5,127.14-7,694.46-3,282.78

Finding the Fourth Proportional to 5,127.14, 7,694.46 and 3,282.78

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Solution

The fourth proportional to 5,127.14, 7,694.46 and 3,282.78 is: 4,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.14 : 7,694.46 = 3,282.78 : x
  2. Step 2: Convert to fraction form
    5,127.14/7,694.46 = 3,282.78/x
  3. Step 3: Cross multiply
    5,127.14x = 7,694.46 × 3,282.78
  4. Step 4: Simplify right side
    5,127.14x = 25,259,219.40
  5. Step 5: Solve for x
    x = 25,259,219.40/5,127.14
  6. Step 6: Final answer
    x = 4,926.57

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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.