Home / 9,317.88-13,976.94-2,742.57

Finding the Fourth Proportional to 9,317.88, 13,976.94 and 2,742.57

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Solution

The fourth proportional to 9,317.88, 13,976.94 and 2,742.57 is: 4,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.88 : 13,976.94 = 2,742.57 : x
  2. Step 2: Convert to fraction form
    9,317.88/13,976.94 = 2,742.57/x
  3. Step 3: Cross multiply
    9,317.88x = 13,976.94 × 2,742.57
  4. Step 4: Simplify right side
    9,317.88x = 38,332,736.34
  5. Step 5: Solve for x
    x = 38,332,736.34/9,317.88
  6. Step 6: Final answer
    x = 4,113.89

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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.