Home / 6,286.14-8,674.72-3,634.38

Finding the Fourth Proportional to 6,286.14, 8,674.72 and 3,634.38

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Solution

The fourth proportional to 6,286.14, 8,674.72 and 3,634.38 is: 5,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.14 : 8,674.72 = 3,634.38 : x
  2. Step 2: Convert to fraction form
    6,286.14/8,674.72 = 3,634.38/x
  3. Step 3: Cross multiply
    6,286.14x = 8,674.72 × 3,634.38
  4. Step 4: Simplify right side
    6,286.14x = 31,527,228.87
  5. Step 5: Solve for x
    x = 31,527,228.87/6,286.14
  6. Step 6: Final answer
    x = 5,015.36

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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.