Home / 6,940.05-10,405.50-3,242.19

Finding the Fourth Proportional to 6,940.05, 10,405.50 and 3,242.19

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Solution

The fourth proportional to 6,940.05, 10,405.50 and 3,242.19 is: 4,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,940.05 : 10,405.50 = 3,242.19 : x
  2. Step 2: Convert to fraction form
    6,940.05/10,405.50 = 3,242.19/x
  3. Step 3: Cross multiply
    6,940.05x = 10,405.50 × 3,242.19
  4. Step 4: Simplify right side
    6,940.05x = 33,736,608.05
  5. Step 5: Solve for x
    x = 33,736,608.05/6,940.05
  6. Step 6: Final answer
    x = 4,861.15

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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.