Home / 5,231.88-7,833.78-2,761.56

Finding the Fourth Proportional to 5,231.88, 7,833.78 and 2,761.56

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Solution

The fourth proportional to 5,231.88, 7,833.78 and 2,761.56 is: 4,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.88 : 7,833.78 = 2,761.56 : x
  2. Step 2: Convert to fraction form
    5,231.88/7,833.78 = 2,761.56/x
  3. Step 3: Cross multiply
    5,231.88x = 7,833.78 × 2,761.56
  4. Step 4: Simplify right side
    5,231.88x = 21,633,453.50
  5. Step 5: Solve for x
    x = 21,633,453.50/5,231.88
  6. Step 6: Final answer
    x = 4,134.93

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1.5x scale

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.