Home / 8,578.24-12,858.62-3,644.73

Finding the Fourth Proportional to 8,578.24, 12,858.62 and 3,644.73

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Solution

The fourth proportional to 8,578.24, 12,858.62 and 3,644.73 is: 5,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.24 : 12,858.62 = 3,644.73 : x
  2. Step 2: Convert to fraction form
    8,578.24/12,858.62 = 3,644.73/x
  3. Step 3: Cross multiply
    8,578.24x = 12,858.62 × 3,644.73
  4. Step 4: Simplify right side
    8,578.24x = 46,866,179.85
  5. Step 5: Solve for x
    x = 46,866,179.85/8,578.24
  6. Step 6: Final answer
    x = 5,463.38

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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.