Home / 9,378.92-14,067.84-2,805.26

Finding the Fourth Proportional to 9,378.92, 14,067.84 and 2,805.26

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Solution

The fourth proportional to 9,378.92, 14,067.84 and 2,805.26 is: 4,207.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.92 : 14,067.84 = 2,805.26 : x
  2. Step 2: Convert to fraction form
    9,378.92/14,067.84 = 2,805.26/x
  3. Step 3: Cross multiply
    9,378.92x = 14,067.84 × 2,805.26
  4. Step 4: Simplify right side
    9,378.92x = 39,463,948.84
  5. Step 5: Solve for x
    x = 39,463,948.84/9,378.92
  6. Step 6: Final answer
    x = 4,207.73

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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.