Home / 8,565.78-11,821.62-5,028.91

Finding the Fourth Proportional to 8,565.78, 11,821.62 and 5,028.91

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Solution

The fourth proportional to 8,565.78, 11,821.62 and 5,028.91 is: 6,940.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,565.78 : 11,821.62 = 5,028.91 : x
  2. Step 2: Convert to fraction form
    8,565.78/11,821.62 = 5,028.91/x
  3. Step 3: Cross multiply
    8,565.78x = 11,821.62 × 5,028.91
  4. Step 4: Simplify right side
    8,565.78x = 59,449,863.03
  5. Step 5: Solve for x
    x = 59,449,863.03/8,565.78
  6. Step 6: Final answer
    x = 6,940.39

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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.