Home / 7,997.28-11,994.83-2,154.24

Finding the Fourth Proportional to 7,997.28, 11,994.83 and 2,154.24

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Solution

The fourth proportional to 7,997.28, 11,994.83 and 2,154.24 is: 3,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.28 : 11,994.83 = 2,154.24 : x
  2. Step 2: Convert to fraction form
    7,997.28/11,994.83 = 2,154.24/x
  3. Step 3: Cross multiply
    7,997.28x = 11,994.83 × 2,154.24
  4. Step 4: Simplify right side
    7,997.28x = 25,839,742.58
  5. Step 5: Solve for x
    x = 25,839,742.58/7,997.28
  6. Step 6: Final answer
    x = 3,231.07

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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.