Home / 7,974.49-11,961.75-3,297.16

Finding the Fourth Proportional to 7,974.49, 11,961.75 and 3,297.16

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Solution

The fourth proportional to 7,974.49, 11,961.75 and 3,297.16 is: 4,945.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,974.49 : 11,961.75 = 3,297.16 : x
  2. Step 2: Convert to fraction form
    7,974.49/11,961.75 = 3,297.16/x
  3. Step 3: Cross multiply
    7,974.49x = 11,961.75 × 3,297.16
  4. Step 4: Simplify right side
    7,974.49x = 39,439,803.63
  5. Step 5: Solve for x
    x = 39,439,803.63/7,974.49
  6. Step 6: Final answer
    x = 4,945.75

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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.