Home / 7,724.25-11,584.62-2,178.14

Finding the Fourth Proportional to 7,724.25, 11,584.62 and 2,178.14

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Solution

The fourth proportional to 7,724.25, 11,584.62 and 2,178.14 is: 3,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724.25 : 11,584.62 = 2,178.14 : x
  2. Step 2: Convert to fraction form
    7,724.25/11,584.62 = 2,178.14/x
  3. Step 3: Cross multiply
    7,724.25x = 11,584.62 × 2,178.14
  4. Step 4: Simplify right side
    7,724.25x = 25,232,866.28
  5. Step 5: Solve for x
    x = 25,232,866.28/7,724.25
  6. Step 6: Final answer
    x = 3,266.71

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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.