Home / 7,769.22-11,644.10-6,119.25

Finding the Fourth Proportional to 7,769.22, 11,644.10 and 6,119.25

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Solution

The fourth proportional to 7,769.22, 11,644.10 and 6,119.25 is: 9,171.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,769.22 : 11,644.10 = 6,119.25 : x
  2. Step 2: Convert to fraction form
    7,769.22/11,644.10 = 6,119.25/x
  3. Step 3: Cross multiply
    7,769.22x = 11,644.10 × 6,119.25
  4. Step 4: Simplify right side
    7,769.22x = 71,253,128.33
  5. Step 5: Solve for x
    x = 71,253,128.33/7,769.22
  6. Step 6: Final answer
    x = 9,171.21

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1.5x scale

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.