Home / 7,933.44-11,891.84-2,667.20

Finding the Fourth Proportional to 7,933.44, 11,891.84 and 2,667.20

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Solution

The fourth proportional to 7,933.44, 11,891.84 and 2,667.20 is: 3,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.44 : 11,891.84 = 2,667.20 : x
  2. Step 2: Convert to fraction form
    7,933.44/11,891.84 = 2,667.20/x
  3. Step 3: Cross multiply
    7,933.44x = 11,891.84 × 2,667.20
  4. Step 4: Simplify right side
    7,933.44x = 31,717,915.65
  5. Step 5: Solve for x
    x = 31,717,915.65/7,933.44
  6. Step 6: Final answer
    x = 3,998.00

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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.