Home / 8,220.03-12,335.97-3,291.05

Finding the Fourth Proportional to 8,220.03, 12,335.97 and 3,291.05

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Solution

The fourth proportional to 8,220.03, 12,335.97 and 3,291.05 is: 4,938.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,220.03 : 12,335.97 = 3,291.05 : x
  2. Step 2: Convert to fraction form
    8,220.03/12,335.97 = 3,291.05/x
  3. Step 3: Cross multiply
    8,220.03x = 12,335.97 × 3,291.05
  4. Step 4: Simplify right side
    8,220.03x = 40,598,232.39
  5. Step 5: Solve for x
    x = 40,598,232.39/8,220.03
  6. Step 6: Final answer
    x = 4,938.94

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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.