Home / 7,995.28-11,991.83-2,152.24

Finding the Fourth Proportional to 7,995.28, 11,991.83 and 2,152.24

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Solution

The fourth proportional to 7,995.28, 11,991.83 and 2,152.24 is: 3,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,995.28 : 11,991.83 = 2,152.24 : x
  2. Step 2: Convert to fraction form
    7,995.28/11,991.83 = 2,152.24/x
  3. Step 3: Cross multiply
    7,995.28x = 11,991.83 × 2,152.24
  4. Step 4: Simplify right side
    7,995.28x = 25,809,236.24
  5. Step 5: Solve for x
    x = 25,809,236.24/7,995.28
  6. Step 6: Final answer
    x = 3,228.06

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Similar ratio
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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.