Home / 5,450.44-8,178.61-4,220.25

Finding the Fourth Proportional to 5,450.44, 8,178.61 and 4,220.25

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Solution

The fourth proportional to 5,450.44, 8,178.61 and 4,220.25 is: 6,332.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.44 : 8,178.61 = 4,220.25 : x
  2. Step 2: Convert to fraction form
    5,450.44/8,178.61 = 4,220.25/x
  3. Step 3: Cross multiply
    5,450.44x = 8,178.61 × 4,220.25
  4. Step 4: Simplify right side
    5,450.44x = 34,515,778.85
  5. Step 5: Solve for x
    x = 34,515,778.85/5,450.44
  6. Step 6: Final answer
    x = 6,332.66

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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.