Home / 9,213.38-13,820.08-2,287.88

Finding the Fourth Proportional to 9,213.38, 13,820.08 and 2,287.88

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Solution

The fourth proportional to 9,213.38, 13,820.08 and 2,287.88 is: 3,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.38 : 13,820.08 = 2,287.88 : x
  2. Step 2: Convert to fraction form
    9,213.38/13,820.08 = 2,287.88/x
  3. Step 3: Cross multiply
    9,213.38x = 13,820.08 × 2,287.88
  4. Step 4: Simplify right side
    9,213.38x = 31,618,684.63
  5. Step 5: Solve for x
    x = 31,618,684.63/9,213.38
  6. Step 6: Final answer
    x = 3,431.82

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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.