Home / 9,272.72-13,899.36-3,425.60

Finding the Fourth Proportional to 9,272.72, 13,899.36 and 3,425.60

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Solution

The fourth proportional to 9,272.72, 13,899.36 and 3,425.60 is: 5,134.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.72 : 13,899.36 = 3,425.60 : x
  2. Step 2: Convert to fraction form
    9,272.72/13,899.36 = 3,425.60/x
  3. Step 3: Cross multiply
    9,272.72x = 13,899.36 × 3,425.60
  4. Step 4: Simplify right side
    9,272.72x = 47,613,647.62
  5. Step 5: Solve for x
    x = 47,613,647.62/9,272.72
  6. Step 6: Final answer
    x = 5,134.81

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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.