Home / 4,122.28-6,179.32-2,662.48

Finding the Fourth Proportional to 4,122.28, 6,179.32 and 2,662.48

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Solution

The fourth proportional to 4,122.28, 6,179.32 and 2,662.48 is: 3,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.28 : 6,179.32 = 2,662.48 : x
  2. Step 2: Convert to fraction form
    4,122.28/6,179.32 = 2,662.48/x
  3. Step 3: Cross multiply
    4,122.28x = 6,179.32 × 2,662.48
  4. Step 4: Simplify right side
    4,122.28x = 16,452,315.91
  5. Step 5: Solve for x
    x = 16,452,315.91/4,122.28
  6. Step 6: Final answer
    x = 3,991.07

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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.