Home / 9,279.39-13,919.04-3,356.25

Finding the Fourth Proportional to 9,279.39, 13,919.04 and 3,356.25

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Solution

The fourth proportional to 9,279.39, 13,919.04 and 3,356.25 is: 5,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.39 : 13,919.04 = 3,356.25 : x
  2. Step 2: Convert to fraction form
    9,279.39/13,919.04 = 3,356.25/x
  3. Step 3: Cross multiply
    9,279.39x = 13,919.04 × 3,356.25
  4. Step 4: Simplify right side
    9,279.39x = 46,715,780.11
  5. Step 5: Solve for x
    x = 46,715,780.11/9,279.39
  6. Step 6: Final answer
    x = 5,034.36

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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.