Home / 4,150.91-6,217.22-3,219.21

Finding the Fourth Proportional to 4,150.91, 6,217.22 and 3,219.21

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Solution

The fourth proportional to 4,150.91, 6,217.22 and 3,219.21 is: 4,821.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,150.91 : 6,217.22 = 3,219.21 : x
  2. Step 2: Convert to fraction form
    4,150.91/6,217.22 = 3,219.21/x
  3. Step 3: Cross multiply
    4,150.91x = 6,217.22 × 3,219.21
  4. Step 4: Simplify right side
    4,150.91x = 20,014,544.84
  5. Step 5: Solve for x
    x = 20,014,544.84/4,150.91
  6. Step 6: Final answer
    x = 4,821.72

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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.