Home / 8,313.12-12,469.66-2,469.72

Finding the Fourth Proportional to 8,313.12, 12,469.66 and 2,469.72

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Solution

The fourth proportional to 8,313.12, 12,469.66 and 2,469.72 is: 3,704.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.12 : 12,469.66 = 2,469.72 : x
  2. Step 2: Convert to fraction form
    8,313.12/12,469.66 = 2,469.72/x
  3. Step 3: Cross multiply
    8,313.12x = 12,469.66 × 2,469.72
  4. Step 4: Simplify right side
    8,313.12x = 30,796,568.70
  5. Step 5: Solve for x
    x = 30,796,568.70/8,313.12
  6. Step 6: Final answer
    x = 3,704.57

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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.