Home / 6,540.38-9,811.30-2,382.36

Finding the Fourth Proportional to 6,540.38, 9,811.30 and 2,382.36

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Solution

The fourth proportional to 6,540.38, 9,811.30 and 2,382.36 is: 3,573.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.38 : 9,811.30 = 2,382.36 : x
  2. Step 2: Convert to fraction form
    6,540.38/9,811.30 = 2,382.36/x
  3. Step 3: Cross multiply
    6,540.38x = 9,811.30 × 2,382.36
  4. Step 4: Simplify right side
    6,540.38x = 23,374,048.67
  5. Step 5: Solve for x
    x = 23,374,048.67/6,540.38
  6. Step 6: Final answer
    x = 3,573.81

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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.