Home / 8,086.60-12,131.73-2,539.92

Finding the Fourth Proportional to 8,086.60, 12,131.73 and 2,539.92

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Solution

The fourth proportional to 8,086.60, 12,131.73 and 2,539.92 is: 3,810.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,086.60 : 12,131.73 = 2,539.92 : x
  2. Step 2: Convert to fraction form
    8,086.60/12,131.73 = 2,539.92/x
  3. Step 3: Cross multiply
    8,086.60x = 12,131.73 × 2,539.92
  4. Step 4: Simplify right side
    8,086.60x = 30,813,623.66
  5. Step 5: Solve for x
    x = 30,813,623.66/8,086.60
  6. Step 6: Final answer
    x = 3,810.45

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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.