Home / 5,836.70-8,756.31-2,138.96

Finding the Fourth Proportional to 5,836.70, 8,756.31 and 2,138.96

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Solution

The fourth proportional to 5,836.70, 8,756.31 and 2,138.96 is: 3,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,836.70 : 8,756.31 = 2,138.96 : x
  2. Step 2: Convert to fraction form
    5,836.70/8,756.31 = 2,138.96/x
  3. Step 3: Cross multiply
    5,836.70x = 8,756.31 × 2,138.96
  4. Step 4: Simplify right side
    5,836.70x = 18,729,353.06
  5. Step 5: Solve for x
    x = 18,729,353.06/5,836.70
  6. Step 6: Final answer
    x = 3,208.90

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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.