Home / 5,520.87-8,282.79-2,236.19

Finding the Fourth Proportional to 5,520.87, 8,282.79 and 2,236.19

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Solution

The fourth proportional to 5,520.87, 8,282.79 and 2,236.19 is: 3,354.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.87 : 8,282.79 = 2,236.19 : x
  2. Step 2: Convert to fraction form
    5,520.87/8,282.79 = 2,236.19/x
  3. Step 3: Cross multiply
    5,520.87x = 8,282.79 × 2,236.19
  4. Step 4: Simplify right side
    5,520.87x = 18,521,850.76
  5. Step 5: Solve for x
    x = 18,521,850.76/5,520.87
  6. Step 6: Final answer
    x = 3,354.88

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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.