Home / 7,379.34-11,067.64-2,113.22

Finding the Fourth Proportional to 7,379.34, 11,067.64 and 2,113.22

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Solution

The fourth proportional to 7,379.34, 11,067.64 and 2,113.22 is: 3,169.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,379.34 : 11,067.64 = 2,113.22 : x
  2. Step 2: Convert to fraction form
    7,379.34/11,067.64 = 2,113.22/x
  3. Step 3: Cross multiply
    7,379.34x = 11,067.64 × 2,113.22
  4. Step 4: Simplify right side
    7,379.34x = 23,388,380.59
  5. Step 5: Solve for x
    x = 23,388,380.59/7,379.34
  6. Step 6: Final answer
    x = 3,169.44

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1.5x scale

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.