Home / 5,480.44-8,223.72-2,193.78

Finding the Fourth Proportional to 5,480.44, 8,223.72 and 2,193.78

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Solution

The fourth proportional to 5,480.44, 8,223.72 and 2,193.78 is: 3,291.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480.44 : 8,223.72 = 2,193.78 : x
  2. Step 2: Convert to fraction form
    5,480.44/8,223.72 = 2,193.78/x
  3. Step 3: Cross multiply
    5,480.44x = 8,223.72 × 2,193.78
  4. Step 4: Simplify right side
    5,480.44x = 18,041,032.46
  5. Step 5: Solve for x
    x = 18,041,032.46/5,480.44
  6. Step 6: Final answer
    x = 3,291.89

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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.