Home / 8,115.24-11,199.03-4,578.42

Finding the Fourth Proportional to 8,115.24, 11,199.03 and 4,578.42

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Solution

The fourth proportional to 8,115.24, 11,199.03 and 4,578.42 is: 6,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,115.24 : 11,199.03 = 4,578.42 : x
  2. Step 2: Convert to fraction form
    8,115.24/11,199.03 = 4,578.42/x
  3. Step 3: Cross multiply
    8,115.24x = 11,199.03 × 4,578.42
  4. Step 4: Simplify right side
    8,115.24x = 51,273,862.93
  5. Step 5: Solve for x
    x = 51,273,862.93/8,115.24
  6. Step 6: Final answer
    x = 6,318.22

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Half scale
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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.