Home / 5,489.94-8,227.62-3,151.08

Finding the Fourth Proportional to 5,489.94, 8,227.62 and 3,151.08

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Solution

The fourth proportional to 5,489.94, 8,227.62 and 3,151.08 is: 4,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,489.94 : 8,227.62 = 3,151.08 : x
  2. Step 2: Convert to fraction form
    5,489.94/8,227.62 = 3,151.08/x
  3. Step 3: Cross multiply
    5,489.94x = 8,227.62 × 3,151.08
  4. Step 4: Simplify right side
    5,489.94x = 25,925,888.83
  5. Step 5: Solve for x
    x = 25,925,888.83/5,489.94
  6. Step 6: Final answer
    x = 4,722.44

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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.