Home / 5,521.20-8,287.68-2,236.44

Finding the Fourth Proportional to 5,521.20, 8,287.68 and 2,236.44

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Solution

The fourth proportional to 5,521.20, 8,287.68 and 2,236.44 is: 3,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.20 : 8,287.68 = 2,236.44 : x
  2. Step 2: Convert to fraction form
    5,521.20/8,287.68 = 2,236.44/x
  3. Step 3: Cross multiply
    5,521.20x = 8,287.68 × 2,236.44
  4. Step 4: Simplify right side
    5,521.20x = 18,534,899.06
  5. Step 5: Solve for x
    x = 18,534,899.06/5,521.20
  6. Step 6: Final answer
    x = 3,357.04

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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.