Home / 4,821.33-6,660.82-4,120.44

Finding the Fourth Proportional to 4,821.33, 6,660.82 and 4,120.44

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Solution

The fourth proportional to 4,821.33, 6,660.82 and 4,120.44 is: 5,692.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.33 : 6,660.82 = 4,120.44 : x
  2. Step 2: Convert to fraction form
    4,821.33/6,660.82 = 4,120.44/x
  3. Step 3: Cross multiply
    4,821.33x = 6,660.82 × 4,120.44
  4. Step 4: Simplify right side
    4,821.33x = 27,445,489.33
  5. Step 5: Solve for x
    x = 27,445,489.33/4,821.33
  6. Step 6: Final answer
    x = 5,692.51

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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.