Home / 7,965.13-11,947.49-3,808.08

Finding the Fourth Proportional to 7,965.13, 11,947.49 and 3,808.08

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Solution

The fourth proportional to 7,965.13, 11,947.49 and 3,808.08 is: 5,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.13 : 11,947.49 = 3,808.08 : x
  2. Step 2: Convert to fraction form
    7,965.13/11,947.49 = 3,808.08/x
  3. Step 3: Cross multiply
    7,965.13x = 11,947.49 × 3,808.08
  4. Step 4: Simplify right side
    7,965.13x = 45,496,997.72
  5. Step 5: Solve for x
    x = 45,496,997.72/7,965.13
  6. Step 6: Final answer
    x = 5,712.02

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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.