Home / 8,129.22-11,214.30-6,333.49

Finding the Fourth Proportional to 8,129.22, 11,214.30 and 6,333.49

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Solution

The fourth proportional to 8,129.22, 11,214.30 and 6,333.49 is: 8,737.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.22 : 11,214.30 = 6,333.49 : x
  2. Step 2: Convert to fraction form
    8,129.22/11,214.30 = 6,333.49/x
  3. Step 3: Cross multiply
    8,129.22x = 11,214.30 × 6,333.49
  4. Step 4: Simplify right side
    8,129.22x = 71,025,659.05
  5. Step 5: Solve for x
    x = 71,025,659.05/8,129.22
  6. Step 6: Final answer
    x = 8,737.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.