Home / 9,072.22-13,602.66-5,171.26

Finding the Fourth Proportional to 9,072.22, 13,602.66 and 5,171.26

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Solution

The fourth proportional to 9,072.22, 13,602.66 and 5,171.26 is: 7,753.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072.22 : 13,602.66 = 5,171.26 : x
  2. Step 2: Convert to fraction form
    9,072.22/13,602.66 = 5,171.26/x
  3. Step 3: Cross multiply
    9,072.22x = 13,602.66 × 5,171.26
  4. Step 4: Simplify right side
    9,072.22x = 70,342,891.55
  5. Step 5: Solve for x
    x = 70,342,891.55/9,072.22
  6. Step 6: Final answer
    x = 7,753.66

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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.