Home / 8,213.91-12,323.03-4,265.43

Finding the Fourth Proportional to 8,213.91, 12,323.03 and 4,265.43

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Solution

The fourth proportional to 8,213.91, 12,323.03 and 4,265.43 is: 6,399.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.91 : 12,323.03 = 4,265.43 : x
  2. Step 2: Convert to fraction form
    8,213.91/12,323.03 = 4,265.43/x
  3. Step 3: Cross multiply
    8,213.91x = 12,323.03 × 4,265.43
  4. Step 4: Simplify right side
    8,213.91x = 52,563,052.66
  5. Step 5: Solve for x
    x = 52,563,052.66/8,213.91
  6. Step 6: Final answer
    x = 6,399.27

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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.