Home / 8,225.21-12,337.61-3,847.57

Finding the Fourth Proportional to 8,225.21, 12,337.61 and 3,847.57

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Solution

The fourth proportional to 8,225.21, 12,337.61 and 3,847.57 is: 5,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,225.21 : 12,337.61 = 3,847.57 : x
  2. Step 2: Convert to fraction form
    8,225.21/12,337.61 = 3,847.57/x
  3. Step 3: Cross multiply
    8,225.21x = 12,337.61 × 3,847.57
  4. Step 4: Simplify right side
    8,225.21x = 47,469,756.42
  5. Step 5: Solve for x
    x = 47,469,756.42/8,225.21
  6. Step 6: Final answer
    x = 5,771.25

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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.