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Finding the Fourth Proportional to 7,996.77, 11,995.16 and 2,153.84

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Solution

The fourth proportional to 7,996.77, 11,995.16 and 2,153.84 is: 3,230.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,996.77 : 11,995.16 = 2,153.84 : x
  2. Step 2: Convert to fraction form
    7,996.77/11,995.16 = 2,153.84/x
  3. Step 3: Cross multiply
    7,996.77x = 11,995.16 × 2,153.84
  4. Step 4: Simplify right side
    7,996.77x = 25,835,584.67
  5. Step 5: Solve for x
    x = 25,835,584.67/7,996.77
  6. Step 6: Final answer
    x = 3,230.75

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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.