Home / 4,109.49-6,164.78-2,161.80

Finding the Fourth Proportional to 4,109.49, 6,164.78 and 2,161.80

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Solution

The fourth proportional to 4,109.49, 6,164.78 and 2,161.80 is: 3,242.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.49 : 6,164.78 = 2,161.80 : x
  2. Step 2: Convert to fraction form
    4,109.49/6,164.78 = 2,161.80/x
  3. Step 3: Cross multiply
    4,109.49x = 6,164.78 × 2,161.80
  4. Step 4: Simplify right side
    4,109.49x = 13,327,010.60
  5. Step 5: Solve for x
    x = 13,327,010.60/4,109.49
  6. Step 6: Final answer
    x = 3,242.98

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.