Home / 5,092.82-7,629.29-2,420.61

Finding the Fourth Proportional to 5,092.82, 7,629.29 and 2,420.61

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Solution

The fourth proportional to 5,092.82, 7,629.29 and 2,420.61 is: 3,626.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,092.82 : 7,629.29 = 2,420.61 : x
  2. Step 2: Convert to fraction form
    5,092.82/7,629.29 = 2,420.61/x
  3. Step 3: Cross multiply
    5,092.82x = 7,629.29 × 2,420.61
  4. Step 4: Simplify right side
    5,092.82x = 18,467,535.67
  5. Step 5: Solve for x
    x = 18,467,535.67/5,092.82
  6. Step 6: Final answer
    x = 3,626.19

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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.