Home / 8,169.74-12,258.66-3,239.27

Finding the Fourth Proportional to 8,169.74, 12,258.66 and 3,239.27

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Solution

The fourth proportional to 8,169.74, 12,258.66 and 3,239.27 is: 4,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.74 : 12,258.66 = 3,239.27 : x
  2. Step 2: Convert to fraction form
    8,169.74/12,258.66 = 3,239.27/x
  3. Step 3: Cross multiply
    8,169.74x = 12,258.66 × 3,239.27
  4. Step 4: Simplify right side
    8,169.74x = 39,709,109.58
  5. Step 5: Solve for x
    x = 39,709,109.58/8,169.74
  6. Step 6: Final answer
    x = 4,860.51

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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.