Home / 7,986.34-11,974.33-3,305.08

Finding the Fourth Proportional to 7,986.34, 11,974.33 and 3,305.08

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Solution

The fourth proportional to 7,986.34, 11,974.33 and 3,305.08 is: 4,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,986.34 : 11,974.33 = 3,305.08 : x
  2. Step 2: Convert to fraction form
    7,986.34/11,974.33 = 3,305.08/x
  3. Step 3: Cross multiply
    7,986.34x = 11,974.33 × 3,305.08
  4. Step 4: Simplify right side
    7,986.34x = 39,576,118.60
  5. Step 5: Solve for x
    x = 39,576,118.60/7,986.34
  6. Step 6: Final answer
    x = 4,955.48

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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.