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Finding the Fourth Proportional to 8,388.39, 12,592.32 and 4,500.39

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Solution

The fourth proportional to 8,388.39, 12,592.32 and 4,500.39 is: 6,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,388.39 : 12,592.32 = 4,500.39 : x
  2. Step 2: Convert to fraction form
    8,388.39/12,592.32 = 4,500.39/x
  3. Step 3: Cross multiply
    8,388.39x = 12,592.32 × 4,500.39
  4. Step 4: Simplify right side
    8,388.39x = 56,670,351.00
  5. Step 5: Solve for x
    x = 56,670,351.00/8,388.39
  6. Step 6: Final answer
    x = 6,755.81

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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.