Home / 6,665.24-9,991.91-3,376.64

Finding the Fourth Proportional to 6,665.24, 9,991.91 and 3,376.64

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Solution

The fourth proportional to 6,665.24, 9,991.91 and 3,376.64 is: 5,061.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.24 : 9,991.91 = 3,376.64 : x
  2. Step 2: Convert to fraction form
    6,665.24/9,991.91 = 3,376.64/x
  3. Step 3: Cross multiply
    6,665.24x = 9,991.91 × 3,376.64
  4. Step 4: Simplify right side
    6,665.24x = 33,739,016.14
  5. Step 5: Solve for x
    x = 33,739,016.14/6,665.24
  6. Step 6: Final answer
    x = 5,061.94

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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.