Home / 5,469.45-8,206.20-1,771.80

Finding the Fourth Proportional to 5,469.45, 8,206.20 and 1,771.80

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Solution

The fourth proportional to 5,469.45, 8,206.20 and 1,771.80 is: 2,658.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,469.45 : 8,206.20 = 1,771.80 : x
  2. Step 2: Convert to fraction form
    5,469.45/8,206.20 = 1,771.80/x
  3. Step 3: Cross multiply
    5,469.45x = 8,206.20 × 1,771.80
  4. Step 4: Simplify right side
    5,469.45x = 14,539,745.16
  5. Step 5: Solve for x
    x = 14,539,745.16/5,469.45
  6. Step 6: Final answer
    x = 2,658.36

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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.