Home / 6,286.28-8,674.71-3,453.09

Finding the Fourth Proportional to 6,286.28, 8,674.71 and 3,453.09

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Solution

The fourth proportional to 6,286.28, 8,674.71 and 3,453.09 is: 4,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,286.28 : 8,674.71 = 3,453.09 : x
  2. Step 2: Convert to fraction form
    6,286.28/8,674.71 = 3,453.09/x
  3. Step 3: Cross multiply
    6,286.28x = 8,674.71 × 3,453.09
  4. Step 4: Simplify right side
    6,286.28x = 29,954,554.35
  5. Step 5: Solve for x
    x = 29,954,554.35/6,286.28
  6. Step 6: Final answer
    x = 4,765.07

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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.