Home / 6,910.35-10,361.85-2,748.21

Finding the Fourth Proportional to 6,910.35, 10,361.85 and 2,748.21

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Solution

The fourth proportional to 6,910.35, 10,361.85 and 2,748.21 is: 4,120.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.35 : 10,361.85 = 2,748.21 : x
  2. Step 2: Convert to fraction form
    6,910.35/10,361.85 = 2,748.21/x
  3. Step 3: Cross multiply
    6,910.35x = 10,361.85 × 2,748.21
  4. Step 4: Simplify right side
    6,910.35x = 28,476,529.48
  5. Step 5: Solve for x
    x = 28,476,529.48/6,910.35
  6. Step 6: Final answer
    x = 4,120.85

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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.