Home / 5,282.33-7,923.47-2,163.78

Finding the Fourth Proportional to 5,282.33, 7,923.47 and 2,163.78

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Solution

The fourth proportional to 5,282.33, 7,923.47 and 2,163.78 is: 3,245.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.33 : 7,923.47 = 2,163.78 : x
  2. Step 2: Convert to fraction form
    5,282.33/7,923.47 = 2,163.78/x
  3. Step 3: Cross multiply
    5,282.33x = 7,923.47 × 2,163.78
  4. Step 4: Simplify right side
    5,282.33x = 17,144,635.10
  5. Step 5: Solve for x
    x = 17,144,635.10/5,282.33
  6. Step 6: Final answer
    x = 3,245.66

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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.