Home / 7,091.06-9,786.57-4,107.02

Finding the Fourth Proportional to 7,091.06, 9,786.57 and 4,107.02

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Solution

The fourth proportional to 7,091.06, 9,786.57 and 4,107.02 is: 5,668.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.06 : 9,786.57 = 4,107.02 : x
  2. Step 2: Convert to fraction form
    7,091.06/9,786.57 = 4,107.02/x
  3. Step 3: Cross multiply
    7,091.06x = 9,786.57 × 4,107.02
  4. Step 4: Simplify right side
    7,091.06x = 40,193,638.72
  5. Step 5: Solve for x
    x = 40,193,638.72/7,091.06
  6. Step 6: Final answer
    x = 5,668.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.