Home / 8,220.35-12,327.66-2,672.66

Finding the Fourth Proportional to 8,220.35, 12,327.66 and 2,672.66

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Solution

The fourth proportional to 8,220.35, 12,327.66 and 2,672.66 is: 4,008.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.35 : 12,327.66 = 2,672.66 : x
  2. Step 2: Convert to fraction form
    8,220.35/12,327.66 = 2,672.66/x
  3. Step 3: Cross multiply
    8,220.35x = 12,327.66 × 2,672.66
  4. Step 4: Simplify right side
    8,220.35x = 32,947,674.59
  5. Step 5: Solve for x
    x = 32,947,674.59/8,220.35
  6. Step 6: Final answer
    x = 4,008.06

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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.