Home / 4,202.21-6,291.16-3,166.58

Finding the Fourth Proportional to 4,202.21, 6,291.16 and 3,166.58

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Solution

The fourth proportional to 4,202.21, 6,291.16 and 3,166.58 is: 4,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,202.21 : 6,291.16 = 3,166.58 : x
  2. Step 2: Convert to fraction form
    4,202.21/6,291.16 = 3,166.58/x
  3. Step 3: Cross multiply
    4,202.21x = 6,291.16 × 3,166.58
  4. Step 4: Simplify right side
    4,202.21x = 19,921,469.24
  5. Step 5: Solve for x
    x = 19,921,469.24/4,202.21
  6. Step 6: Final answer
    x = 4,740.71

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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.