Home / 8,224.13-12,336.32-2,380.76

Finding the Fourth Proportional to 8,224.13, 12,336.32 and 2,380.76

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Solution

The fourth proportional to 8,224.13, 12,336.32 and 2,380.76 is: 3,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.13 : 12,336.32 = 2,380.76 : x
  2. Step 2: Convert to fraction form
    8,224.13/12,336.32 = 2,380.76/x
  3. Step 3: Cross multiply
    8,224.13x = 12,336.32 × 2,380.76
  4. Step 4: Simplify right side
    8,224.13x = 29,369,817.20
  5. Step 5: Solve for x
    x = 29,369,817.20/8,224.13
  6. Step 6: Final answer
    x = 3,571.18

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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.