Home / 8,755.39-13,125.61-3,821.34

Finding the Fourth Proportional to 8,755.39, 13,125.61 and 3,821.34

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Solution

The fourth proportional to 8,755.39, 13,125.61 and 3,821.34 is: 5,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,755.39 : 13,125.61 = 3,821.34 : x
  2. Step 2: Convert to fraction form
    8,755.39/13,125.61 = 3,821.34/x
  3. Step 3: Cross multiply
    8,755.39x = 13,125.61 × 3,821.34
  4. Step 4: Simplify right side
    8,755.39x = 50,157,362.44
  5. Step 5: Solve for x
    x = 50,157,362.44/8,755.39
  6. Step 6: Final answer
    x = 5,728.74

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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.