Home / 7,999.81-11,039.66-4,414.79

Finding the Fourth Proportional to 7,999.81, 11,039.66 and 4,414.79

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Solution

The fourth proportional to 7,999.81, 11,039.66 and 4,414.79 is: 6,092.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.81 : 11,039.66 = 4,414.79 : x
  2. Step 2: Convert to fraction form
    7,999.81/11,039.66 = 4,414.79/x
  3. Step 3: Cross multiply
    7,999.81x = 11,039.66 × 4,414.79
  4. Step 4: Simplify right side
    7,999.81x = 48,737,786.10
  5. Step 5: Solve for x
    x = 48,737,786.10/7,999.81
  6. Step 6: Final answer
    x = 6,092.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.