Home / 9,081.36-12,531.96-5,550.48

Finding the Fourth Proportional to 9,081.36, 12,531.96 and 5,550.48

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Solution

The fourth proportional to 9,081.36, 12,531.96 and 5,550.48 is: 7,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,081.36 : 12,531.96 = 5,550.48 : x
  2. Step 2: Convert to fraction form
    9,081.36/12,531.96 = 5,550.48/x
  3. Step 3: Cross multiply
    9,081.36x = 12,531.96 × 5,550.48
  4. Step 4: Simplify right side
    9,081.36x = 69,558,393.34
  5. Step 5: Solve for x
    x = 69,558,393.34/9,081.36
  6. Step 6: Final answer
    x = 7,659.47

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