Home / 6,960.36-10,443.60-3,453.60

Finding the Fourth Proportional to 6,960.36, 10,443.60 and 3,453.60

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Solution

The fourth proportional to 6,960.36, 10,443.60 and 3,453.60 is: 5,181.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,960.36 : 10,443.60 = 3,453.60 : x
  2. Step 2: Convert to fraction form
    6,960.36/10,443.60 = 3,453.60/x
  3. Step 3: Cross multiply
    6,960.36x = 10,443.60 × 3,453.60
  4. Step 4: Simplify right side
    6,960.36x = 36,068,016.96
  5. Step 5: Solve for x
    x = 36,068,016.96/6,960.36
  6. Step 6: Final answer
    x = 5,181.92

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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.