Home / 8,272.50-12,406.10-2,724.60

Finding the Fourth Proportional to 8,272.50, 12,406.10 and 2,724.60

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Solution

The fourth proportional to 8,272.50, 12,406.10 and 2,724.60 is: 4,086.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,272.50 : 12,406.10 = 2,724.60 : x
  2. Step 2: Convert to fraction form
    8,272.50/12,406.10 = 2,724.60/x
  3. Step 3: Cross multiply
    8,272.50x = 12,406.10 × 2,724.60
  4. Step 4: Simplify right side
    8,272.50x = 33,801,660.06
  5. Step 5: Solve for x
    x = 33,801,660.06/8,272.50
  6. Step 6: Final answer
    x = 4,086.03

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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.