Home / 6,540.91-9,811.28-1,610.56

Finding the Fourth Proportional to 6,540.91, 9,811.28 and 1,610.56

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Solution

The fourth proportional to 6,540.91, 9,811.28 and 1,610.56 is: 2,415.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.91 : 9,811.28 = 1,610.56 : x
  2. Step 2: Convert to fraction form
    6,540.91/9,811.28 = 1,610.56/x
  3. Step 3: Cross multiply
    6,540.91x = 9,811.28 × 1,610.56
  4. Step 4: Simplify right side
    6,540.91x = 15,801,634.75
  5. Step 5: Solve for x
    x = 15,801,634.75/6,540.91
  6. Step 6: Final answer
    x = 2,415.81

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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.