Home / 7,936.20-11,888.10-3,763.56

Finding the Fourth Proportional to 7,936.20, 11,888.10 and 3,763.56

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Solution

The fourth proportional to 7,936.20, 11,888.10 and 3,763.56 is: 5,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,936.20 : 11,888.10 = 3,763.56 : x
  2. Step 2: Convert to fraction form
    7,936.20/11,888.10 = 3,763.56/x
  3. Step 3: Cross multiply
    7,936.20x = 11,888.10 × 3,763.56
  4. Step 4: Simplify right side
    7,936.20x = 44,741,577.64
  5. Step 5: Solve for x
    x = 44,741,577.64/7,936.20
  6. Step 6: Final answer
    x = 5,637.66

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1.5x scale

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.