Home / 7,999.77-11,042.73-6,293.87

Finding the Fourth Proportional to 7,999.77, 11,042.73 and 6,293.87

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Solution

The fourth proportional to 7,999.77, 11,042.73 and 6,293.87 is: 8,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,999.77 : 11,042.73 = 6,293.87 : x
  2. Step 2: Convert to fraction form
    7,999.77/11,042.73 = 6,293.87/x
  3. Step 3: Cross multiply
    7,999.77x = 11,042.73 × 6,293.87
  4. Step 4: Simplify right side
    7,999.77x = 69,501,451.85
  5. Step 5: Solve for x
    x = 69,501,451.85/7,999.77
  6. Step 6: Final answer
    x = 8,687.93

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Similar ratio
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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.