Home / 5,515.80-8,273.70-2,227.20

Finding the Fourth Proportional to 5,515.80, 8,273.70 and 2,227.20

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Solution

The fourth proportional to 5,515.80, 8,273.70 and 2,227.20 is: 3,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.80 : 8,273.70 = 2,227.20 : x
  2. Step 2: Convert to fraction form
    5,515.80/8,273.70 = 2,227.20/x
  3. Step 3: Cross multiply
    5,515.80x = 8,273.70 × 2,227.20
  4. Step 4: Simplify right side
    5,515.80x = 18,427,184.64
  5. Step 5: Solve for x
    x = 18,427,184.64/5,515.80
  6. Step 6: Final answer
    x = 3,340.80

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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.