Home / 6,109.39-9,160-2,213.29

Finding the Fourth Proportional to 6,109.39, 9,160 and 2,213.29

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Solution

The fourth proportional to 6,109.39, 9,160 and 2,213.29 is: 3,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.39 : 9,160 = 2,213.29 : x
  2. Step 2: Convert to fraction form
    6,109.39/9,160 = 2,213.29/x
  3. Step 3: Cross multiply
    6,109.39x = 9,160 × 2,213.29
  4. Step 4: Simplify right side
    6,109.39x = 20,273,736.40
  5. Step 5: Solve for x
    x = 20,273,736.40/6,109.39
  6. Step 6: Final answer
    x = 3,318.46

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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.