Home / 7,505.22-11,245.94-3,994.28

Finding the Fourth Proportional to 7,505.22, 11,245.94 and 3,994.28

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Solution

The fourth proportional to 7,505.22, 11,245.94 and 3,994.28 is: 5,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,505.22 : 11,245.94 = 3,994.28 : x
  2. Step 2: Convert to fraction form
    7,505.22/11,245.94 = 3,994.28/x
  3. Step 3: Cross multiply
    7,505.22x = 11,245.94 × 3,994.28
  4. Step 4: Simplify right side
    7,505.22x = 44,919,433.22
  5. Step 5: Solve for x
    x = 44,919,433.22/7,505.22
  6. Step 6: Final answer
    x = 5,985.09

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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.