Home / 9,331.77-13,999.62-3,091.43

Finding the Fourth Proportional to 9,331.77, 13,999.62 and 3,091.43

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Solution

The fourth proportional to 9,331.77, 13,999.62 and 3,091.43 is: 4,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,331.77 : 13,999.62 = 3,091.43 : x
  2. Step 2: Convert to fraction form
    9,331.77/13,999.62 = 3,091.43/x
  3. Step 3: Cross multiply
    9,331.77x = 13,999.62 × 3,091.43
  4. Step 4: Simplify right side
    9,331.77x = 43,278,786.85
  5. Step 5: Solve for x
    x = 43,278,786.85/9,331.77
  6. Step 6: Final answer
    x = 4,637.79

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1.5x scale

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.