Home / 7,374.81-11,067.90-5,505.38

Finding the Fourth Proportional to 7,374.81, 11,067.90 and 5,505.38

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Solution

The fourth proportional to 7,374.81, 11,067.90 and 5,505.38 is: 8,262.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.81 : 11,067.90 = 5,505.38 : x
  2. Step 2: Convert to fraction form
    7,374.81/11,067.90 = 5,505.38/x
  3. Step 3: Cross multiply
    7,374.81x = 11,067.90 × 5,505.38
  4. Step 4: Simplify right side
    7,374.81x = 60,932,995.30
  5. Step 5: Solve for x
    x = 60,932,995.30/7,374.81
  6. Step 6: Final answer
    x = 8,262.31

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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.