Home / 6,819.92-10,212.60-4,214.96

Finding the Fourth Proportional to 6,819.92, 10,212.60 and 4,214.96

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Solution

The fourth proportional to 6,819.92, 10,212.60 and 4,214.96 is: 6,311.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,819.92 : 10,212.60 = 4,214.96 : x
  2. Step 2: Convert to fraction form
    6,819.92/10,212.60 = 4,214.96/x
  3. Step 3: Cross multiply
    6,819.92x = 10,212.60 × 4,214.96
  4. Step 4: Simplify right side
    6,819.92x = 43,045,700.50
  5. Step 5: Solve for x
    x = 43,045,700.50/6,819.92
  6. Step 6: Final answer
    x = 6,311.76

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1.5x scale

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.