Home / 8,818.21-13,229.43-2,578.33

Finding the Fourth Proportional to 8,818.21, 13,229.43 and 2,578.33

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Solution

The fourth proportional to 8,818.21, 13,229.43 and 2,578.33 is: 3,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.21 : 13,229.43 = 2,578.33 : x
  2. Step 2: Convert to fraction form
    8,818.21/13,229.43 = 2,578.33/x
  3. Step 3: Cross multiply
    8,818.21x = 13,229.43 × 2,578.33
  4. Step 4: Simplify right side
    8,818.21x = 34,109,836.25
  5. Step 5: Solve for x
    x = 34,109,836.25/8,818.21
  6. Step 6: Final answer
    x = 3,868.11

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Similar ratio
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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.