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Finding the Fourth Proportional to 8,785.62, 13,183.62 and 3,242.82

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Solution

The fourth proportional to 8,785.62, 13,183.62 and 3,242.82 is: 4,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.62 : 13,183.62 = 3,242.82 : x
  2. Step 2: Convert to fraction form
    8,785.62/13,183.62 = 3,242.82/x
  3. Step 3: Cross multiply
    8,785.62x = 13,183.62 × 3,242.82
  4. Step 4: Simplify right side
    8,785.62x = 42,752,106.61
  5. Step 5: Solve for x
    x = 42,752,106.61/8,785.62
  6. Step 6: Final answer
    x = 4,866.15

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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.