Home / 6,728.72-10,086.36-3,217.76

Finding the Fourth Proportional to 6,728.72, 10,086.36 and 3,217.76

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Solution

The fourth proportional to 6,728.72, 10,086.36 and 3,217.76 is: 4,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.72 : 10,086.36 = 3,217.76 : x
  2. Step 2: Convert to fraction form
    6,728.72/10,086.36 = 3,217.76/x
  3. Step 3: Cross multiply
    6,728.72x = 10,086.36 × 3,217.76
  4. Step 4: Simplify right side
    6,728.72x = 32,455,485.75
  5. Step 5: Solve for x
    x = 32,455,485.75/6,728.72
  6. Step 6: Final answer
    x = 4,823.43

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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.