Home / 9,311.72-13,976.36-3,394.33

Finding the Fourth Proportional to 9,311.72, 13,976.36 and 3,394.33

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Solution

The fourth proportional to 9,311.72, 13,976.36 and 3,394.33 is: 5,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,311.72 : 13,976.36 = 3,394.33 : x
  2. Step 2: Convert to fraction form
    9,311.72/13,976.36 = 3,394.33/x
  3. Step 3: Cross multiply
    9,311.72x = 13,976.36 × 3,394.33
  4. Step 4: Simplify right side
    9,311.72x = 47,440,397.26
  5. Step 5: Solve for x
    x = 47,440,397.26/9,311.72
  6. Step 6: Final answer
    x = 5,094.70

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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.