Home / 5,229.68-7,842.57-2,108.85

Finding the Fourth Proportional to 5,229.68, 7,842.57 and 2,108.85

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Solution

The fourth proportional to 5,229.68, 7,842.57 and 2,108.85 is: 3,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.68 : 7,842.57 = 2,108.85 : x
  2. Step 2: Convert to fraction form
    5,229.68/7,842.57 = 2,108.85/x
  3. Step 3: Cross multiply
    5,229.68x = 7,842.57 × 2,108.85
  4. Step 4: Simplify right side
    5,229.68x = 16,538,803.74
  5. Step 5: Solve for x
    x = 16,538,803.74/5,229.68
  6. Step 6: Final answer
    x = 3,162.49

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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.