Home / 8,884.42-13,321.72-3,618.08

Finding the Fourth Proportional to 8,884.42, 13,321.72 and 3,618.08

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Solution

The fourth proportional to 8,884.42, 13,321.72 and 3,618.08 is: 5,425.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,884.42 : 13,321.72 = 3,618.08 : x
  2. Step 2: Convert to fraction form
    8,884.42/13,321.72 = 3,618.08/x
  3. Step 3: Cross multiply
    8,884.42x = 13,321.72 × 3,618.08
  4. Step 4: Simplify right side
    8,884.42x = 48,199,048.70
  5. Step 5: Solve for x
    x = 48,199,048.70/8,884.42
  6. Step 6: Final answer
    x = 5,425.12

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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.