Home / 7,863.28-11,794.92-2,019.90

Finding the Fourth Proportional to 7,863.28, 11,794.92 and 2,019.90

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Solution

The fourth proportional to 7,863.28, 11,794.92 and 2,019.90 is: 3,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.28 : 11,794.92 = 2,019.90 : x
  2. Step 2: Convert to fraction form
    7,863.28/11,794.92 = 2,019.90/x
  3. Step 3: Cross multiply
    7,863.28x = 11,794.92 × 2,019.90
  4. Step 4: Simplify right side
    7,863.28x = 23,824,499.93
  5. Step 5: Solve for x
    x = 23,824,499.93/7,863.28
  6. Step 6: Final answer
    x = 3,029.84

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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.