Home / 7,944.87-11,917.32-3,264.09

Finding the Fourth Proportional to 7,944.87, 11,917.32 and 3,264.09

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Solution

The fourth proportional to 7,944.87, 11,917.32 and 3,264.09 is: 4,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.87 : 11,917.32 = 3,264.09 : x
  2. Step 2: Convert to fraction form
    7,944.87/11,917.32 = 3,264.09/x
  3. Step 3: Cross multiply
    7,944.87x = 11,917.32 × 3,264.09
  4. Step 4: Simplify right side
    7,944.87x = 38,899,205.04
  5. Step 5: Solve for x
    x = 38,899,205.04/7,944.87
  6. Step 6: Final answer
    x = 4,896.14

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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.