Home / 9,213.21-13,809.96-5,255.94

Finding the Fourth Proportional to 9,213.21, 13,809.96 and 5,255.94

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Solution

The fourth proportional to 9,213.21, 13,809.96 and 5,255.94 is: 7,878.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.21 : 13,809.96 = 5,255.94 : x
  2. Step 2: Convert to fraction form
    9,213.21/13,809.96 = 5,255.94/x
  3. Step 3: Cross multiply
    9,213.21x = 13,809.96 × 5,255.94
  4. Step 4: Simplify right side
    9,213.21x = 72,584,321.16
  5. Step 5: Solve for x
    x = 72,584,321.16/9,213.21
  6. Step 6: Final answer
    x = 7,878.29

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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.