Home / 6,438.24-9,660.60-3,843

Finding the Fourth Proportional to 6,438.24, 9,660.60 and 3,843

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Solution

The fourth proportional to 6,438.24, 9,660.60 and 3,843 is: 5,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.24 : 9,660.60 = 3,843 : x
  2. Step 2: Convert to fraction form
    6,438.24/9,660.60 = 3,843/x
  3. Step 3: Cross multiply
    6,438.24x = 9,660.60 × 3,843
  4. Step 4: Simplify right side
    6,438.24x = 37,125,685.80
  5. Step 5: Solve for x
    x = 37,125,685.80/6,438.24
  6. Step 6: Final answer
    x = 5,766.43

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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.