Home / 7,865.24-11,797.84-2,021.92

Finding the Fourth Proportional to 7,865.24, 11,797.84 and 2,021.92

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Solution

The fourth proportional to 7,865.24, 11,797.84 and 2,021.92 is: 3,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.24 : 11,797.84 = 2,021.92 : x
  2. Step 2: Convert to fraction form
    7,865.24/11,797.84 = 2,021.92/x
  3. Step 3: Cross multiply
    7,865.24x = 11,797.84 × 2,021.92
  4. Step 4: Simplify right side
    7,865.24x = 23,854,288.65
  5. Step 5: Solve for x
    x = 23,854,288.65/7,865.24
  6. Step 6: Final answer
    x = 3,032.87

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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.