Home / 9,279.09-13,919.11-2,705.77

Finding the Fourth Proportional to 9,279.09, 13,919.11 and 2,705.77

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Solution

The fourth proportional to 9,279.09, 13,919.11 and 2,705.77 is: 4,058.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.09 : 13,919.11 = 2,705.77 : x
  2. Step 2: Convert to fraction form
    9,279.09/13,919.11 = 2,705.77/x
  3. Step 3: Cross multiply
    9,279.09x = 13,919.11 × 2,705.77
  4. Step 4: Simplify right side
    9,279.09x = 37,661,920.90
  5. Step 5: Solve for x
    x = 37,661,920.90/9,279.09
  6. Step 6: Final answer
    x = 4,058.79

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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.