Home / 5,485.34-8,227.28-2,198.48

Finding the Fourth Proportional to 5,485.34, 8,227.28 and 2,198.48

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Solution

The fourth proportional to 5,485.34, 8,227.28 and 2,198.48 is: 3,297.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485.34 : 8,227.28 = 2,198.48 : x
  2. Step 2: Convert to fraction form
    5,485.34/8,227.28 = 2,198.48/x
  3. Step 3: Cross multiply
    5,485.34x = 8,227.28 × 2,198.48
  4. Step 4: Simplify right side
    5,485.34x = 18,087,458.41
  5. Step 5: Solve for x
    x = 18,087,458.41/5,485.34
  6. Step 6: Final answer
    x = 3,297.42

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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.