Home / 8,209.35-12,311.19-3,277.67

Finding the Fourth Proportional to 8,209.35, 12,311.19 and 3,277.67

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Solution

The fourth proportional to 8,209.35, 12,311.19 and 3,277.67 is: 4,915.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,209.35 : 12,311.19 = 3,277.67 : x
  2. Step 2: Convert to fraction form
    8,209.35/12,311.19 = 3,277.67/x
  3. Step 3: Cross multiply
    8,209.35x = 12,311.19 × 3,277.67
  4. Step 4: Simplify right side
    8,209.35x = 40,351,956.57
  5. Step 5: Solve for x
    x = 40,351,956.57/8,209.35
  6. Step 6: Final answer
    x = 4,915.37

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1.5x scale

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.