Home / 9,213.10-13,819.73-2,287.60

Finding the Fourth Proportional to 9,213.10, 13,819.73 and 2,287.60

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Solution

The fourth proportional to 9,213.10, 13,819.73 and 2,287.60 is: 3,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.10 : 13,819.73 = 2,287.60 : x
  2. Step 2: Convert to fraction form
    9,213.10/13,819.73 = 2,287.60/x
  3. Step 3: Cross multiply
    9,213.10x = 13,819.73 × 2,287.60
  4. Step 4: Simplify right side
    9,213.10x = 31,613,985.52
  5. Step 5: Solve for x
    x = 31,613,985.52/9,213.10
  6. Step 6: Final answer
    x = 3,431.42

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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.