Home / 6,115.38-9,173.84-2,165.72

Finding the Fourth Proportional to 6,115.38, 9,173.84 and 2,165.72

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Solution

The fourth proportional to 6,115.38, 9,173.84 and 2,165.72 is: 3,248.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.38 : 9,173.84 = 2,165.72 : x
  2. Step 2: Convert to fraction form
    6,115.38/9,173.84 = 2,165.72/x
  3. Step 3: Cross multiply
    6,115.38x = 9,173.84 × 2,165.72
  4. Step 4: Simplify right side
    6,115.38x = 19,867,912.07
  5. Step 5: Solve for x
    x = 19,867,912.07/6,115.38
  6. Step 6: Final answer
    x = 3,248.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.