Home / 8,469.40-12,711.30-3,796.60

Finding the Fourth Proportional to 8,469.40, 12,711.30 and 3,796.60

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Solution

The fourth proportional to 8,469.40, 12,711.30 and 3,796.60 is: 5,698.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,469.40 : 12,711.30 = 3,796.60 : x
  2. Step 2: Convert to fraction form
    8,469.40/12,711.30 = 3,796.60/x
  3. Step 3: Cross multiply
    8,469.40x = 12,711.30 × 3,796.60
  4. Step 4: Simplify right side
    8,469.40x = 48,259,721.58
  5. Step 5: Solve for x
    x = 48,259,721.58/8,469.40
  6. Step 6: Final answer
    x = 5,698.13

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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.