Home / 8,141.29-12,203.62-3,208.93

Finding the Fourth Proportional to 8,141.29, 12,203.62 and 3,208.93

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Solution

The fourth proportional to 8,141.29, 12,203.62 and 3,208.93 is: 4,810.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,141.29 : 12,203.62 = 3,208.93 : x
  2. Step 2: Convert to fraction form
    8,141.29/12,203.62 = 3,208.93/x
  3. Step 3: Cross multiply
    8,141.29x = 12,203.62 × 3,208.93
  4. Step 4: Simplify right side
    8,141.29x = 39,160,562.33
  5. Step 5: Solve for x
    x = 39,160,562.33/8,141.29
  6. Step 6: Final answer
    x = 4,810.12

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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.