Home / 6,991.26-10,488.71-2,608.75

Finding the Fourth Proportional to 6,991.26, 10,488.71 and 2,608.75

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Solution

The fourth proportional to 6,991.26, 10,488.71 and 2,608.75 is: 3,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.26 : 10,488.71 = 2,608.75 : x
  2. Step 2: Convert to fraction form
    6,991.26/10,488.71 = 2,608.75/x
  3. Step 3: Cross multiply
    6,991.26x = 10,488.71 × 2,608.75
  4. Step 4: Simplify right side
    6,991.26x = 27,362,422.21
  5. Step 5: Solve for x
    x = 27,362,422.21/6,991.26
  6. Step 6: Final answer
    x = 3,913.80

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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.