Home / 7,736.89-11,604.05-2,188.86

Finding the Fourth Proportional to 7,736.89, 11,604.05 and 2,188.86

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Solution

The fourth proportional to 7,736.89, 11,604.05 and 2,188.86 is: 3,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736.89 : 11,604.05 = 2,188.86 : x
  2. Step 2: Convert to fraction form
    7,736.89/11,604.05 = 2,188.86/x
  3. Step 3: Cross multiply
    7,736.89x = 11,604.05 × 2,188.86
  4. Step 4: Simplify right side
    7,736.89x = 25,399,640.51
  5. Step 5: Solve for x
    x = 25,399,640.51/7,736.89
  6. Step 6: Final answer
    x = 3,282.93

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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.