Home / 5,211.66-7,817.43-2,092.46

Finding the Fourth Proportional to 5,211.66, 7,817.43 and 2,092.46

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Solution

The fourth proportional to 5,211.66, 7,817.43 and 2,092.46 is: 3,138.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,211.66 : 7,817.43 = 2,092.46 : x
  2. Step 2: Convert to fraction form
    5,211.66/7,817.43 = 2,092.46/x
  3. Step 3: Cross multiply
    5,211.66x = 7,817.43 × 2,092.46
  4. Step 4: Simplify right side
    5,211.66x = 16,357,659.58
  5. Step 5: Solve for x
    x = 16,357,659.58/5,211.66
  6. Step 6: Final answer
    x = 3,138.67

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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.