Home / 8,206.96-12,311.20-3,525.92

Finding the Fourth Proportional to 8,206.96, 12,311.20 and 3,525.92

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Solution

The fourth proportional to 8,206.96, 12,311.20 and 3,525.92 is: 5,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.96 : 12,311.20 = 3,525.92 : x
  2. Step 2: Convert to fraction form
    8,206.96/12,311.20 = 3,525.92/x
  3. Step 3: Cross multiply
    8,206.96x = 12,311.20 × 3,525.92
  4. Step 4: Simplify right side
    8,206.96x = 43,408,306.30
  5. Step 5: Solve for x
    x = 43,408,306.30/8,206.96
  6. Step 6: Final answer
    x = 5,289.21

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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.