Home / 4,096.87-6,145.94-2,121.89

Finding the Fourth Proportional to 4,096.87, 6,145.94 and 2,121.89

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Solution

The fourth proportional to 4,096.87, 6,145.94 and 2,121.89 is: 3,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,096.87 : 6,145.94 = 2,121.89 : x
  2. Step 2: Convert to fraction form
    4,096.87/6,145.94 = 2,121.89/x
  3. Step 3: Cross multiply
    4,096.87x = 6,145.94 × 2,121.89
  4. Step 4: Simplify right side
    4,096.87x = 13,040,983.20
  5. Step 5: Solve for x
    x = 13,040,983.20/4,096.87
  6. Step 6: Final answer
    x = 3,183.16

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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.