Home / 4,137.80-6,207.78-2,163.56

Finding the Fourth Proportional to 4,137.80, 6,207.78 and 2,163.56

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Solution

The fourth proportional to 4,137.80, 6,207.78 and 2,163.56 is: 3,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,137.80 : 6,207.78 = 2,163.56 : x
  2. Step 2: Convert to fraction form
    4,137.80/6,207.78 = 2,163.56/x
  3. Step 3: Cross multiply
    4,137.80x = 6,207.78 × 2,163.56
  4. Step 4: Simplify right side
    4,137.80x = 13,430,904.50
  5. Step 5: Solve for x
    x = 13,430,904.50/4,137.80
  6. Step 6: Final answer
    x = 3,245.90

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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.