Home / 4,122.28-6,213.55-3,771.64

Finding the Fourth Proportional to 4,122.28, 6,213.55 and 3,771.64

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Solution

The fourth proportional to 4,122.28, 6,213.55 and 3,771.64 is: 5,685.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.28 : 6,213.55 = 3,771.64 : x
  2. Step 2: Convert to fraction form
    4,122.28/6,213.55 = 3,771.64/x
  3. Step 3: Cross multiply
    4,122.28x = 6,213.55 × 3,771.64
  4. Step 4: Simplify right side
    4,122.28x = 23,435,273.72
  5. Step 5: Solve for x
    x = 23,435,273.72/4,122.28
  6. Step 6: Final answer
    x = 5,685.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.