Home / 9,279.38-13,919.16-2,353.88

Finding the Fourth Proportional to 9,279.38, 13,919.16 and 2,353.88

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Solution

The fourth proportional to 9,279.38, 13,919.16 and 2,353.88 is: 3,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.38 : 13,919.16 = 2,353.88 : x
  2. Step 2: Convert to fraction form
    9,279.38/13,919.16 = 2,353.88/x
  3. Step 3: Cross multiply
    9,279.38x = 13,919.16 × 2,353.88
  4. Step 4: Simplify right side
    9,279.38x = 32,764,032.34
  5. Step 5: Solve for x
    x = 32,764,032.34/9,279.38
  6. Step 6: Final answer
    x = 3,530.84

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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.