Home / 5,521.96-8,284.97-2,561.82

Finding the Fourth Proportional to 5,521.96, 8,284.97 and 2,561.82

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Solution

The fourth proportional to 5,521.96, 8,284.97 and 2,561.82 is: 3,843.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,521.96 : 8,284.97 = 2,561.82 : x
  2. Step 2: Convert to fraction form
    5,521.96/8,284.97 = 2,561.82/x
  3. Step 3: Cross multiply
    5,521.96x = 8,284.97 × 2,561.82
  4. Step 4: Simplify right side
    5,521.96x = 21,224,601.85
  5. Step 5: Solve for x
    x = 21,224,601.85/5,521.96
  6. Step 6: Final answer
    x = 3,843.67

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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.