Home / 5,154.44-7,727.94-2,231.12

Finding the Fourth Proportional to 5,154.44, 7,727.94 and 2,231.12

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Solution

The fourth proportional to 5,154.44, 7,727.94 and 2,231.12 is: 3,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.44 : 7,727.94 = 2,231.12 : x
  2. Step 2: Convert to fraction form
    5,154.44/7,727.94 = 2,231.12/x
  3. Step 3: Cross multiply
    5,154.44x = 7,727.94 × 2,231.12
  4. Step 4: Simplify right side
    5,154.44x = 17,241,961.49
  5. Step 5: Solve for x
    x = 17,241,961.49/5,154.44
  6. Step 6: Final answer
    x = 3,345.07

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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.