Home / 8,213.43-12,320.13-2,667.33

Finding the Fourth Proportional to 8,213.43, 12,320.13 and 2,667.33

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Solution

The fourth proportional to 8,213.43, 12,320.13 and 2,667.33 is: 4,000.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.43 : 12,320.13 = 2,667.33 : x
  2. Step 2: Convert to fraction form
    8,213.43/12,320.13 = 2,667.33/x
  3. Step 3: Cross multiply
    8,213.43x = 12,320.13 × 2,667.33
  4. Step 4: Simplify right side
    8,213.43x = 32,861,852.35
  5. Step 5: Solve for x
    x = 32,861,852.35/8,213.43
  6. Step 6: Final answer
    x = 4,000.99

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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.