Home / 3,965.09-5,956.75-2,797.78

Finding the Fourth Proportional to 3,965.09, 5,956.75 and 2,797.78

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Solution

The fourth proportional to 3,965.09, 5,956.75 and 2,797.78 is: 4,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.09 : 5,956.75 = 2,797.78 : x
  2. Step 2: Convert to fraction form
    3,965.09/5,956.75 = 2,797.78/x
  3. Step 3: Cross multiply
    3,965.09x = 5,956.75 × 2,797.78
  4. Step 4: Simplify right side
    3,965.09x = 16,665,669.02
  5. Step 5: Solve for x
    x = 16,665,669.02/3,965.09
  6. Step 6: Final answer
    x = 4,203.10

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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.