Home / 7,969.25-11,952.97-2,126.32

Finding the Fourth Proportional to 7,969.25, 11,952.97 and 2,126.32

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Solution

The fourth proportional to 7,969.25, 11,952.97 and 2,126.32 is: 3,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,969.25 : 11,952.97 = 2,126.32 : x
  2. Step 2: Convert to fraction form
    7,969.25/11,952.97 = 2,126.32/x
  3. Step 3: Cross multiply
    7,969.25x = 11,952.97 × 2,126.32
  4. Step 4: Simplify right side
    7,969.25x = 25,415,803.97
  5. Step 5: Solve for x
    x = 25,415,803.97/7,969.25
  6. Step 6: Final answer
    x = 3,189.23

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1.5x scale

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.