Home / 5,405.37-8,104.46-1,942.17

Finding the Fourth Proportional to 5,405.37, 8,104.46 and 1,942.17

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Solution

The fourth proportional to 5,405.37, 8,104.46 and 1,942.17 is: 2,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.37 : 8,104.46 = 1,942.17 : x
  2. Step 2: Convert to fraction form
    5,405.37/8,104.46 = 1,942.17/x
  3. Step 3: Cross multiply
    5,405.37x = 8,104.46 × 1,942.17
  4. Step 4: Simplify right side
    5,405.37x = 15,740,229.37
  5. Step 5: Solve for x
    x = 15,740,229.37/5,405.37
  6. Step 6: Final answer
    x = 2,911.96

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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.