Home / 6,338.29-8,747.37-3,685.87

Finding the Fourth Proportional to 6,338.29, 8,747.37 and 3,685.87

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Solution

The fourth proportional to 6,338.29, 8,747.37 and 3,685.87 is: 5,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.29 : 8,747.37 = 3,685.87 : x
  2. Step 2: Convert to fraction form
    6,338.29/8,747.37 = 3,685.87/x
  3. Step 3: Cross multiply
    6,338.29x = 8,747.37 × 3,685.87
  4. Step 4: Simplify right side
    6,338.29x = 32,241,668.66
  5. Step 5: Solve for x
    x = 32,241,668.66/6,338.29
  6. Step 6: Final answer
    x = 5,086.81

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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.