Home / 7,983.20-11,976.26-3,300.67

Finding the Fourth Proportional to 7,983.20, 11,976.26 and 3,300.67

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Solution

The fourth proportional to 7,983.20, 11,976.26 and 3,300.67 is: 4,951.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,983.20 : 11,976.26 = 3,300.67 : x
  2. Step 2: Convert to fraction form
    7,983.20/11,976.26 = 3,300.67/x
  3. Step 3: Cross multiply
    7,983.20x = 11,976.26 × 3,300.67
  4. Step 4: Simplify right side
    7,983.20x = 39,529,682.09
  5. Step 5: Solve for x
    x = 39,529,682.09/7,983.20
  6. Step 6: Final answer
    x = 4,951.61

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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.