Home / 9,245.44-13,861.66-3,240.05

Finding the Fourth Proportional to 9,245.44, 13,861.66 and 3,240.05

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Solution

The fourth proportional to 9,245.44, 13,861.66 and 3,240.05 is: 4,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,245.44 : 13,861.66 = 3,240.05 : x
  2. Step 2: Convert to fraction form
    9,245.44/13,861.66 = 3,240.05/x
  3. Step 3: Cross multiply
    9,245.44x = 13,861.66 × 3,240.05
  4. Step 4: Simplify right side
    9,245.44x = 44,912,406.22
  5. Step 5: Solve for x
    x = 44,912,406.22/9,245.44
  6. Step 6: Final answer
    x = 4,857.79

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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.