Home / 8,270.22-12,407.21-2,724.12

Finding the Fourth Proportional to 8,270.22, 12,407.21 and 2,724.12

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Solution

The fourth proportional to 8,270.22, 12,407.21 and 2,724.12 is: 4,086.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,270.22 : 12,407.21 = 2,724.12 : x
  2. Step 2: Convert to fraction form
    8,270.22/12,407.21 = 2,724.12/x
  3. Step 3: Cross multiply
    8,270.22x = 12,407.21 × 2,724.12
  4. Step 4: Simplify right side
    8,270.22x = 33,798,715.28
  5. Step 5: Solve for x
    x = 33,798,715.28/8,270.22
  6. Step 6: Final answer
    x = 4,086.80

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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.