Home / 5,433.25-8,146.14-2,146.72

Finding the Fourth Proportional to 5,433.25, 8,146.14 and 2,146.72

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Solution

The fourth proportional to 5,433.25, 8,146.14 and 2,146.72 is: 3,218.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.25 : 8,146.14 = 2,146.72 : x
  2. Step 2: Convert to fraction form
    5,433.25/8,146.14 = 2,146.72/x
  3. Step 3: Cross multiply
    5,433.25x = 8,146.14 × 2,146.72
  4. Step 4: Simplify right side
    5,433.25x = 17,487,481.66
  5. Step 5: Solve for x
    x = 17,487,481.66/5,433.25
  6. Step 6: Final answer
    x = 3,218.60

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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.