Home / 7,723.82-11,578.86-2,792.36

Finding the Fourth Proportional to 7,723.82, 11,578.86 and 2,792.36

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Solution

The fourth proportional to 7,723.82, 11,578.86 and 2,792.36 is: 4,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.82 : 11,578.86 = 2,792.36 : x
  2. Step 2: Convert to fraction form
    7,723.82/11,578.86 = 2,792.36/x
  3. Step 3: Cross multiply
    7,723.82x = 11,578.86 × 2,792.36
  4. Step 4: Simplify right side
    7,723.82x = 32,332,374.46
  5. Step 5: Solve for x
    x = 32,332,374.46/7,723.82
  6. Step 6: Final answer
    x = 4,186.06

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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.