Home / 8,134.98-12,203.19-2,291.64

Finding the Fourth Proportional to 8,134.98, 12,203.19 and 2,291.64

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Solution

The fourth proportional to 8,134.98, 12,203.19 and 2,291.64 is: 3,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,134.98 : 12,203.19 = 2,291.64 : x
  2. Step 2: Convert to fraction form
    8,134.98/12,203.19 = 2,291.64/x
  3. Step 3: Cross multiply
    8,134.98x = 12,203.19 × 2,291.64
  4. Step 4: Simplify right side
    8,134.98x = 27,965,318.33
  5. Step 5: Solve for x
    x = 27,965,318.33/8,134.98
  6. Step 6: Final answer
    x = 3,437.66

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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.