Home / 9,379.89-14,067.75-2,805.23

Finding the Fourth Proportional to 9,379.89, 14,067.75 and 2,805.23

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Solution

The fourth proportional to 9,379.89, 14,067.75 and 2,805.23 is: 4,207.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,379.89 : 14,067.75 = 2,805.23 : x
  2. Step 2: Convert to fraction form
    9,379.89/14,067.75 = 2,805.23/x
  3. Step 3: Cross multiply
    9,379.89x = 14,067.75 × 2,805.23
  4. Step 4: Simplify right side
    9,379.89x = 39,463,189.97
  5. Step 5: Solve for x
    x = 39,463,189.97/9,379.89
  6. Step 6: Final answer
    x = 4,207.21

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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.