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Finding the Fourth Proportional to 8,816.39, 13,226.59 and 3,819.59

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Solution

The fourth proportional to 8,816.39, 13,226.59 and 3,819.59 is: 5,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816.39 : 13,226.59 = 3,819.59 : x
  2. Step 2: Convert to fraction form
    8,816.39/13,226.59 = 3,819.59/x
  3. Step 3: Cross multiply
    8,816.39x = 13,226.59 × 3,819.59
  4. Step 4: Simplify right side
    8,816.39x = 50,520,165.17
  5. Step 5: Solve for x
    x = 50,520,165.17/8,816.39
  6. Step 6: Final answer
    x = 5,730.26

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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.