Home / 6,286.81-8,676.13-3,769.33

Finding the Fourth Proportional to 6,286.81, 8,676.13 and 3,769.33

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Solution

The fourth proportional to 6,286.81, 8,676.13 and 3,769.33 is: 5,201.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.81 : 8,676.13 = 3,769.33 : x
  2. Step 2: Convert to fraction form
    6,286.81/8,676.13 = 3,769.33/x
  3. Step 3: Cross multiply
    6,286.81x = 8,676.13 × 3,769.33
  4. Step 4: Simplify right side
    6,286.81x = 32,703,197.09
  5. Step 5: Solve for x
    x = 32,703,197.09/6,286.81
  6. Step 6: Final answer
    x = 5,201.87

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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.