Home / 4,081.72-6,120.87-2,001.11

Finding the Fourth Proportional to 4,081.72, 6,120.87 and 2,001.11

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Solution

The fourth proportional to 4,081.72, 6,120.87 and 2,001.11 is: 3,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.72 : 6,120.87 = 2,001.11 : x
  2. Step 2: Convert to fraction form
    4,081.72/6,120.87 = 2,001.11/x
  3. Step 3: Cross multiply
    4,081.72x = 6,120.87 × 2,001.11
  4. Step 4: Simplify right side
    4,081.72x = 12,248,496.06
  5. Step 5: Solve for x
    x = 12,248,496.06/4,081.72
  6. Step 6: Final answer
    x = 3,000.82

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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.