Home / 5,102.06-7,645.79-2,906.25

Finding the Fourth Proportional to 5,102.06, 7,645.79 and 2,906.25

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Solution

The fourth proportional to 5,102.06, 7,645.79 and 2,906.25 is: 4,355.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,102.06 : 7,645.79 = 2,906.25 : x
  2. Step 2: Convert to fraction form
    5,102.06/7,645.79 = 2,906.25/x
  3. Step 3: Cross multiply
    5,102.06x = 7,645.79 × 2,906.25
  4. Step 4: Simplify right side
    5,102.06x = 22,220,556.85
  5. Step 5: Solve for x
    x = 22,220,556.85/5,102.06
  6. Step 6: Final answer
    x = 4,355.21

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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.