Home / 7,718.97-11,577-3,766.26

Finding the Fourth Proportional to 7,718.97, 11,577 and 3,766.26

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Solution

The fourth proportional to 7,718.97, 11,577 and 3,766.26 is: 5,648.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.97 : 11,577 = 3,766.26 : x
  2. Step 2: Convert to fraction form
    7,718.97/11,577 = 3,766.26/x
  3. Step 3: Cross multiply
    7,718.97x = 11,577 × 3,766.26
  4. Step 4: Simplify right side
    7,718.97x = 43,601,992.02
  5. Step 5: Solve for x
    x = 43,601,992.02/7,718.97
  6. Step 6: Final answer
    x = 5,648.68

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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.