Home / 9,317.26-13,974.45-2,742.22

Finding the Fourth Proportional to 9,317.26, 13,974.45 and 2,742.22

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Solution

The fourth proportional to 9,317.26, 13,974.45 and 2,742.22 is: 4,112.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.26 : 13,974.45 = 2,742.22 : x
  2. Step 2: Convert to fraction form
    9,317.26/13,974.45 = 2,742.22/x
  3. Step 3: Cross multiply
    9,317.26x = 13,974.45 × 2,742.22
  4. Step 4: Simplify right side
    9,317.26x = 38,321,016.28
  5. Step 5: Solve for x
    x = 38,321,016.28/9,317.26
  6. Step 6: Final answer
    x = 4,112.91

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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.