Home / 7,861.36-11,793.96-3,245.68

Finding the Fourth Proportional to 7,861.36, 11,793.96 and 3,245.68

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Solution

The fourth proportional to 7,861.36, 11,793.96 and 3,245.68 is: 4,869.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.36 : 11,793.96 = 3,245.68 : x
  2. Step 2: Convert to fraction form
    7,861.36/11,793.96 = 3,245.68/x
  3. Step 3: Cross multiply
    7,861.36x = 11,793.96 × 3,245.68
  4. Step 4: Simplify right side
    7,861.36x = 38,279,420.09
  5. Step 5: Solve for x
    x = 38,279,420.09/7,861.36
  6. Step 6: Final answer
    x = 4,869.31

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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.