Home / 7,379.43-11,067.18-5,039.02

Finding the Fourth Proportional to 7,379.43, 11,067.18 and 5,039.02

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Solution

The fourth proportional to 7,379.43, 11,067.18 and 5,039.02 is: 7,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.43 : 11,067.18 = 5,039.02 : x
  2. Step 2: Convert to fraction form
    7,379.43/11,067.18 = 5,039.02/x
  3. Step 3: Cross multiply
    7,379.43x = 11,067.18 × 5,039.02
  4. Step 4: Simplify right side
    7,379.43x = 55,767,741.36
  5. Step 5: Solve for x
    x = 55,767,741.36/7,379.43
  6. Step 6: Final answer
    x = 7,557.19

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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.