Home / 5,979.20-8,968.22-1,819.26

Finding the Fourth Proportional to 5,979.20, 8,968.22 and 1,819.26

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Solution

The fourth proportional to 5,979.20, 8,968.22 and 1,819.26 is: 2,728.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.20 : 8,968.22 = 1,819.26 : x
  2. Step 2: Convert to fraction form
    5,979.20/8,968.22 = 1,819.26/x
  3. Step 3: Cross multiply
    5,979.20x = 8,968.22 × 1,819.26
  4. Step 4: Simplify right side
    5,979.20x = 16,315,523.92
  5. Step 5: Solve for x
    x = 16,315,523.92/5,979.20
  6. Step 6: Final answer
    x = 2,728.71

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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.