Home / 8,180.24-12,272.40-3,796.80

Finding the Fourth Proportional to 8,180.24, 12,272.40 and 3,796.80

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Solution

The fourth proportional to 8,180.24, 12,272.40 and 3,796.80 is: 5,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180.24 : 12,272.40 = 3,796.80 : x
  2. Step 2: Convert to fraction form
    8,180.24/12,272.40 = 3,796.80/x
  3. Step 3: Cross multiply
    8,180.24x = 12,272.40 × 3,796.80
  4. Step 4: Simplify right side
    8,180.24x = 46,595,848.32
  5. Step 5: Solve for x
    x = 46,595,848.32/8,180.24
  6. Step 6: Final answer
    x = 5,696.15

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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.