Home / 5,164.21-7,731.06-3,405.97

Finding the Fourth Proportional to 5,164.21, 7,731.06 and 3,405.97

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Solution

The fourth proportional to 5,164.21, 7,731.06 and 3,405.97 is: 5,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,164.21 : 7,731.06 = 3,405.97 : x
  2. Step 2: Convert to fraction form
    5,164.21/7,731.06 = 3,405.97/x
  3. Step 3: Cross multiply
    5,164.21x = 7,731.06 × 3,405.97
  4. Step 4: Simplify right side
    5,164.21x = 26,331,758.43
  5. Step 5: Solve for x
    x = 26,331,758.43/5,164.21
  6. Step 6: Final answer
    x = 5,098.89

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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.