Home / 6,999.44-10,505.66-3,539.12

Finding the Fourth Proportional to 6,999.44, 10,505.66 and 3,539.12

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Solution

The fourth proportional to 6,999.44, 10,505.66 and 3,539.12 is: 5,311.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.44 : 10,505.66 = 3,539.12 : x
  2. Step 2: Convert to fraction form
    6,999.44/10,505.66 = 3,539.12/x
  3. Step 3: Cross multiply
    6,999.44x = 10,505.66 × 3,539.12
  4. Step 4: Simplify right side
    6,999.44x = 37,180,791.42
  5. Step 5: Solve for x
    x = 37,180,791.42/6,999.44
  6. Step 6: Final answer
    x = 5,311.97

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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.