Home / 4,997.21-7,493.51-2,917.85

Finding the Fourth Proportional to 4,997.21, 7,493.51 and 2,917.85

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Solution

The fourth proportional to 4,997.21, 7,493.51 and 2,917.85 is: 4,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.21 : 7,493.51 = 2,917.85 : x
  2. Step 2: Convert to fraction form
    4,997.21/7,493.51 = 2,917.85/x
  3. Step 3: Cross multiply
    4,997.21x = 7,493.51 × 2,917.85
  4. Step 4: Simplify right side
    4,997.21x = 21,864,907.98
  5. Step 5: Solve for x
    x = 21,864,907.98/4,997.21
  6. Step 6: Final answer
    x = 4,375.43

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1.5x scale

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.