Home / 5,227.70-7,844.28-2,108.48

Finding the Fourth Proportional to 5,227.70, 7,844.28 and 2,108.48

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Solution

The fourth proportional to 5,227.70, 7,844.28 and 2,108.48 is: 3,163.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.70 : 7,844.28 = 2,108.48 : x
  2. Step 2: Convert to fraction form
    5,227.70/7,844.28 = 2,108.48/x
  3. Step 3: Cross multiply
    5,227.70x = 7,844.28 × 2,108.48
  4. Step 4: Simplify right side
    5,227.70x = 16,539,507.49
  5. Step 5: Solve for x
    x = 16,539,507.49/5,227.70
  6. Step 6: Final answer
    x = 3,163.82

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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.