Home / 8,492.09-12,738.81-3,229.62

Finding the Fourth Proportional to 8,492.09, 12,738.81 and 3,229.62

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Solution

The fourth proportional to 8,492.09, 12,738.81 and 3,229.62 is: 4,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492.09 : 12,738.81 = 3,229.62 : x
  2. Step 2: Convert to fraction form
    8,492.09/12,738.81 = 3,229.62/x
  3. Step 3: Cross multiply
    8,492.09x = 12,738.81 × 3,229.62
  4. Step 4: Simplify right side
    8,492.09x = 41,141,451.86
  5. Step 5: Solve for x
    x = 41,141,451.86/8,492.09
  6. Step 6: Final answer
    x = 4,844.68

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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.