Home / 6,861.58-10,286.19-3,161.90

Finding the Fourth Proportional to 6,861.58, 10,286.19 and 3,161.90

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Solution

The fourth proportional to 6,861.58, 10,286.19 and 3,161.90 is: 4,740.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,861.58 : 10,286.19 = 3,161.90 : x
  2. Step 2: Convert to fraction form
    6,861.58/10,286.19 = 3,161.90/x
  3. Step 3: Cross multiply
    6,861.58x = 10,286.19 × 3,161.90
  4. Step 4: Simplify right side
    6,861.58x = 32,523,929.88
  5. Step 5: Solve for x
    x = 32,523,929.88/6,861.58
  6. Step 6: Final answer
    x = 4,740.01

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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.