Home / 9,279.42-13,919.40-2,353.92

Finding the Fourth Proportional to 9,279.42, 13,919.40 and 2,353.92

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Solution

The fourth proportional to 9,279.42, 13,919.40 and 2,353.92 is: 3,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.42 : 13,919.40 = 2,353.92 : x
  2. Step 2: Convert to fraction form
    9,279.42/13,919.40 = 2,353.92/x
  3. Step 3: Cross multiply
    9,279.42x = 13,919.40 × 2,353.92
  4. Step 4: Simplify right side
    9,279.42x = 32,765,154.05
  5. Step 5: Solve for x
    x = 32,765,154.05/9,279.42
  6. Step 6: Final answer
    x = 3,530.95

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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.