Home / 8,559.06-12,829.78-4,171.09

Finding the Fourth Proportional to 8,559.06, 12,829.78 and 4,171.09

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Solution

The fourth proportional to 8,559.06, 12,829.78 and 4,171.09 is: 6,252.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,559.06 : 12,829.78 = 4,171.09 : x
  2. Step 2: Convert to fraction form
    8,559.06/12,829.78 = 4,171.09/x
  3. Step 3: Cross multiply
    8,559.06x = 12,829.78 × 4,171.09
  4. Step 4: Simplify right side
    8,559.06x = 53,514,092.48
  5. Step 5: Solve for x
    x = 53,514,092.48/8,559.06
  6. Step 6: Final answer
    x = 6,252.33

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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.