Home / 5,406.40-8,110.92-2,284.73

Finding the Fourth Proportional to 5,406.40, 8,110.92 and 2,284.73

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Solution

The fourth proportional to 5,406.40, 8,110.92 and 2,284.73 is: 3,427.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.40 : 8,110.92 = 2,284.73 : x
  2. Step 2: Convert to fraction form
    5,406.40/8,110.92 = 2,284.73/x
  3. Step 3: Cross multiply
    5,406.40x = 8,110.92 × 2,284.73
  4. Step 4: Simplify right side
    5,406.40x = 18,531,221.70
  5. Step 5: Solve for x
    x = 18,531,221.70/5,406.40
  6. Step 6: Final answer
    x = 3,427.65

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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.