Home / 4,847.45-6,691.68-3,168.92

Finding the Fourth Proportional to 4,847.45, 6,691.68 and 3,168.92

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Solution

The fourth proportional to 4,847.45, 6,691.68 and 3,168.92 is: 4,374.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,847.45 : 6,691.68 = 3,168.92 : x
  2. Step 2: Convert to fraction form
    4,847.45/6,691.68 = 3,168.92/x
  3. Step 3: Cross multiply
    4,847.45x = 6,691.68 × 3,168.92
  4. Step 4: Simplify right side
    4,847.45x = 21,205,415.31
  5. Step 5: Solve for x
    x = 21,205,415.31/4,847.45
  6. Step 6: Final answer
    x = 4,374.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.