Home / 8,682.82-13,025.59-3,135.58

Finding the Fourth Proportional to 8,682.82, 13,025.59 and 3,135.58

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Solution

The fourth proportional to 8,682.82, 13,025.59 and 3,135.58 is: 4,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.82 : 13,025.59 = 3,135.58 : x
  2. Step 2: Convert to fraction form
    8,682.82/13,025.59 = 3,135.58/x
  3. Step 3: Cross multiply
    8,682.82x = 13,025.59 × 3,135.58
  4. Step 4: Simplify right side
    8,682.82x = 40,842,739.09
  5. Step 5: Solve for x
    x = 40,842,739.09/8,682.82
  6. Step 6: Final answer
    x = 4,703.86

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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.