Home / 8,058.36-11,121.66-6,729.96

Finding the Fourth Proportional to 8,058.36, 11,121.66 and 6,729.96

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Solution

The fourth proportional to 8,058.36, 11,121.66 and 6,729.96 is: 9,288.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.36 : 11,121.66 = 6,729.96 : x
  2. Step 2: Convert to fraction form
    8,058.36/11,121.66 = 6,729.96/x
  3. Step 3: Cross multiply
    8,058.36x = 11,121.66 × 6,729.96
  4. Step 4: Simplify right side
    8,058.36x = 74,848,326.93
  5. Step 5: Solve for x
    x = 74,848,326.93/8,058.36
  6. Step 6: Final answer
    x = 9,288.28

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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.