Home / 6,286.11-8,674.80-3,453.49

Finding the Fourth Proportional to 6,286.11, 8,674.80 and 3,453.49

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Solution

The fourth proportional to 6,286.11, 8,674.80 and 3,453.49 is: 4,765.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.11 : 8,674.80 = 3,453.49 : x
  2. Step 2: Convert to fraction form
    6,286.11/8,674.80 = 3,453.49/x
  3. Step 3: Cross multiply
    6,286.11x = 8,674.80 × 3,453.49
  4. Step 4: Simplify right side
    6,286.11x = 29,958,284.15
  5. Step 5: Solve for x
    x = 29,958,284.15/6,286.11
  6. Step 6: Final answer
    x = 4,765.79

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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.