Home / 6,114.28-9,167.78-2,217.40

Finding the Fourth Proportional to 6,114.28, 9,167.78 and 2,217.40

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Solution

The fourth proportional to 6,114.28, 9,167.78 and 2,217.40 is: 3,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.28 : 9,167.78 = 2,217.40 : x
  2. Step 2: Convert to fraction form
    6,114.28/9,167.78 = 2,217.40/x
  3. Step 3: Cross multiply
    6,114.28x = 9,167.78 × 2,217.40
  4. Step 4: Simplify right side
    6,114.28x = 20,328,635.37
  5. Step 5: Solve for x
    x = 20,328,635.37/6,114.28
  6. Step 6: Final answer
    x = 3,324.78

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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.