Home / 6,114.11-9,171.38-2,165.78

Finding the Fourth Proportional to 6,114.11, 9,171.38 and 2,165.78

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Solution

The fourth proportional to 6,114.11, 9,171.38 and 2,165.78 is: 3,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,114.11 : 9,171.38 = 2,165.78 : x
  2. Step 2: Convert to fraction form
    6,114.11/9,171.38 = 2,165.78/x
  3. Step 3: Cross multiply
    6,114.11x = 9,171.38 × 2,165.78
  4. Step 4: Simplify right side
    6,114.11x = 19,863,134.69
  5. Step 5: Solve for x
    x = 19,863,134.69/6,114.11
  6. Step 6: Final answer
    x = 3,248.74

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1.5x scale

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.