Home / 7,394.25-11,091.33-2,129.40

Finding the Fourth Proportional to 7,394.25, 11,091.33 and 2,129.40

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Solution

The fourth proportional to 7,394.25, 11,091.33 and 2,129.40 is: 3,194.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.25 : 11,091.33 = 2,129.40 : x
  2. Step 2: Convert to fraction form
    7,394.25/11,091.33 = 2,129.40/x
  3. Step 3: Cross multiply
    7,394.25x = 11,091.33 × 2,129.40
  4. Step 4: Simplify right side
    7,394.25x = 23,617,878.10
  5. Step 5: Solve for x
    x = 23,617,878.10/7,394.25
  6. Step 6: Final answer
    x = 3,194.09

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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.