Home / 6,625.26-9,924.62-3,991.30

Finding the Fourth Proportional to 6,625.26, 9,924.62 and 3,991.30

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Solution

The fourth proportional to 6,625.26, 9,924.62 and 3,991.30 is: 5,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.26 : 9,924.62 = 3,991.30 : x
  2. Step 2: Convert to fraction form
    6,625.26/9,924.62 = 3,991.30/x
  3. Step 3: Cross multiply
    6,625.26x = 9,924.62 × 3,991.30
  4. Step 4: Simplify right side
    6,625.26x = 39,612,135.81
  5. Step 5: Solve for x
    x = 39,612,135.81/6,625.26
  6. Step 6: Final answer
    x = 5,978.96

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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.