Home / 4,942.20-6,816.29-4,198.62

Finding the Fourth Proportional to 4,942.20, 6,816.29 and 4,198.62

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Solution

The fourth proportional to 4,942.20, 6,816.29 and 4,198.62 is: 5,790.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.20 : 6,816.29 = 4,198.62 : x
  2. Step 2: Convert to fraction form
    4,942.20/6,816.29 = 4,198.62/x
  3. Step 3: Cross multiply
    4,942.20x = 6,816.29 × 4,198.62
  4. Step 4: Simplify right side
    4,942.20x = 28,618,977.44
  5. Step 5: Solve for x
    x = 28,618,977.44/4,942.20
  6. Step 6: Final answer
    x = 5,790.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.