Home / 5,227.68-7,841.52-2,107.92

Finding the Fourth Proportional to 5,227.68, 7,841.52 and 2,107.92

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Solution

The fourth proportional to 5,227.68, 7,841.52 and 2,107.92 is: 3,161.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.68 : 7,841.52 = 2,107.92 : x
  2. Step 2: Convert to fraction form
    5,227.68/7,841.52 = 2,107.92/x
  3. Step 3: Cross multiply
    5,227.68x = 7,841.52 × 2,107.92
  4. Step 4: Simplify right side
    5,227.68x = 16,529,296.84
  5. Step 5: Solve for x
    x = 16,529,296.84/5,227.68
  6. Step 6: Final answer
    x = 3,161.88

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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.