Home / 6,682.37-9,221.03-3,993.05

Finding the Fourth Proportional to 6,682.37, 9,221.03 and 3,993.05

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Solution

The fourth proportional to 6,682.37, 9,221.03 and 3,993.05 is: 5,510.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,682.37 : 9,221.03 = 3,993.05 : x
  2. Step 2: Convert to fraction form
    6,682.37/9,221.03 = 3,993.05/x
  3. Step 3: Cross multiply
    6,682.37x = 9,221.03 × 3,993.05
  4. Step 4: Simplify right side
    6,682.37x = 36,819,997.72
  5. Step 5: Solve for x
    x = 36,819,997.72/6,682.37
  6. Step 6: Final answer
    x = 5,510.02

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Double scale
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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.