Home / 7,749.88-11,623.89-2,816.37

Finding the Fourth Proportional to 7,749.88, 11,623.89 and 2,816.37

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Solution

The fourth proportional to 7,749.88, 11,623.89 and 2,816.37 is: 4,224.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,749.88 : 11,623.89 = 2,816.37 : x
  2. Step 2: Convert to fraction form
    7,749.88/11,623.89 = 2,816.37/x
  3. Step 3: Cross multiply
    7,749.88x = 11,623.89 × 2,816.37
  4. Step 4: Simplify right side
    7,749.88x = 32,737,175.08
  5. Step 5: Solve for x
    x = 32,737,175.08/7,749.88
  6. Step 6: Final answer
    x = 4,224.22

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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.