Home / 5,515.12-8,267.24-2,227.36

Finding the Fourth Proportional to 5,515.12, 8,267.24 and 2,227.36

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Solution

The fourth proportional to 5,515.12, 8,267.24 and 2,227.36 is: 3,338.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.12 : 8,267.24 = 2,227.36 : x
  2. Step 2: Convert to fraction form
    5,515.12/8,267.24 = 2,227.36/x
  3. Step 3: Cross multiply
    5,515.12x = 8,267.24 × 2,227.36
  4. Step 4: Simplify right side
    5,515.12x = 18,414,119.69
  5. Step 5: Solve for x
    x = 18,414,119.69/5,515.12
  6. Step 6: Final answer
    x = 3,338.84

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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.