Home / 8,135.33-12,204.77-3,459.33

Finding the Fourth Proportional to 8,135.33, 12,204.77 and 3,459.33

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Solution

The fourth proportional to 8,135.33, 12,204.77 and 3,459.33 is: 5,189.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.33 : 12,204.77 = 3,459.33 : x
  2. Step 2: Convert to fraction form
    8,135.33/12,204.77 = 3,459.33/x
  3. Step 3: Cross multiply
    8,135.33x = 12,204.77 × 3,459.33
  4. Step 4: Simplify right side
    8,135.33x = 42,220,335.65
  5. Step 5: Solve for x
    x = 42,220,335.65/8,135.33
  6. Step 6: Final answer
    x = 5,189.75

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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.