Home / 4,322.11-6,481.54-2,131.87

Finding the Fourth Proportional to 4,322.11, 6,481.54 and 2,131.87

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Solution

The fourth proportional to 4,322.11, 6,481.54 and 2,131.87 is: 3,197.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.11 : 6,481.54 = 2,131.87 : x
  2. Step 2: Convert to fraction form
    4,322.11/6,481.54 = 2,131.87/x
  3. Step 3: Cross multiply
    4,322.11x = 6,481.54 × 2,131.87
  4. Step 4: Simplify right side
    4,322.11x = 13,817,800.68
  5. Step 5: Solve for x
    x = 13,817,800.68/4,322.11
  6. Step 6: Final answer
    x = 3,197.00

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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.