Home / 7,539.27-11,305.29-3,379.31

Finding the Fourth Proportional to 7,539.27, 11,305.29 and 3,379.31

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Solution

The fourth proportional to 7,539.27, 11,305.29 and 3,379.31 is: 5,067.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.27 : 11,305.29 = 3,379.31 : x
  2. Step 2: Convert to fraction form
    7,539.27/11,305.29 = 3,379.31/x
  3. Step 3: Cross multiply
    7,539.27x = 11,305.29 × 3,379.31
  4. Step 4: Simplify right side
    7,539.27x = 38,204,023.02
  5. Step 5: Solve for x
    x = 38,204,023.02/7,539.27
  6. Step 6: Final answer
    x = 5,067.34

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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.