Home / 8,376.84-12,565.68-3,183.12

Finding the Fourth Proportional to 8,376.84, 12,565.68 and 3,183.12

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Solution

The fourth proportional to 8,376.84, 12,565.68 and 3,183.12 is: 4,774.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.84 : 12,565.68 = 3,183.12 : x
  2. Step 2: Convert to fraction form
    8,376.84/12,565.68 = 3,183.12/x
  3. Step 3: Cross multiply
    8,376.84x = 12,565.68 × 3,183.12
  4. Step 4: Simplify right side
    8,376.84x = 39,998,067.32
  5. Step 5: Solve for x
    x = 39,998,067.32/8,376.84
  6. Step 6: Final answer
    x = 4,774.84

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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.