Home / 6,209.32-9,319.26-3,286.12

Finding the Fourth Proportional to 6,209.32, 9,319.26 and 3,286.12

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Solution

The fourth proportional to 6,209.32, 9,319.26 and 3,286.12 is: 4,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.32 : 9,319.26 = 3,286.12 : x
  2. Step 2: Convert to fraction form
    6,209.32/9,319.26 = 3,286.12/x
  3. Step 3: Cross multiply
    6,209.32x = 9,319.26 × 3,286.12
  4. Step 4: Simplify right side
    6,209.32x = 30,624,206.67
  5. Step 5: Solve for x
    x = 30,624,206.67/6,209.32
  6. Step 6: Final answer
    x = 4,931.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.