Home / 5,147.64-7,718.04-2,650.44

Finding the Fourth Proportional to 5,147.64, 7,718.04 and 2,650.44

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Solution

The fourth proportional to 5,147.64, 7,718.04 and 2,650.44 is: 3,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.64 : 7,718.04 = 2,650.44 : x
  2. Step 2: Convert to fraction form
    5,147.64/7,718.04 = 2,650.44/x
  3. Step 3: Cross multiply
    5,147.64x = 7,718.04 × 2,650.44
  4. Step 4: Simplify right side
    5,147.64x = 20,456,201.94
  5. Step 5: Solve for x
    x = 20,456,201.94/5,147.64
  6. Step 6: Final answer
    x = 3,973.90

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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.