Home / 3,665.57-5,500.55-3,367.80

Finding the Fourth Proportional to 3,665.57, 5,500.55 and 3,367.80

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Solution

The fourth proportional to 3,665.57, 5,500.55 and 3,367.80 is: 5,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,665.57 : 5,500.55 = 3,367.80 : x
  2. Step 2: Convert to fraction form
    3,665.57/5,500.55 = 3,367.80/x
  3. Step 3: Cross multiply
    3,665.57x = 5,500.55 × 3,367.80
  4. Step 4: Simplify right side
    3,665.57x = 18,524,735.45
  5. Step 5: Solve for x
    x = 18,524,735.45/3,665.57
  6. Step 6: Final answer
    x = 5,053.72

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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.