Home / 8,183.28-12,274.68-2,339.84

Finding the Fourth Proportional to 8,183.28, 12,274.68 and 2,339.84

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Solution

The fourth proportional to 8,183.28, 12,274.68 and 2,339.84 is: 3,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,183.28 : 12,274.68 = 2,339.84 : x
  2. Step 2: Convert to fraction form
    8,183.28/12,274.68 = 2,339.84/x
  3. Step 3: Cross multiply
    8,183.28x = 12,274.68 × 2,339.84
  4. Step 4: Simplify right side
    8,183.28x = 28,720,787.25
  5. Step 5: Solve for x
    x = 28,720,787.25/8,183.28
  6. Step 6: Final answer
    x = 3,509.69

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Double scale
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1.5x scale

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.