Home / 5,571.12-8,351.70-2,110.80

Finding the Fourth Proportional to 5,571.12, 8,351.70 and 2,110.80

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Solution

The fourth proportional to 5,571.12, 8,351.70 and 2,110.80 is: 3,164.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.12 : 8,351.70 = 2,110.80 : x
  2. Step 2: Convert to fraction form
    5,571.12/8,351.70 = 2,110.80/x
  3. Step 3: Cross multiply
    5,571.12x = 8,351.70 × 2,110.80
  4. Step 4: Simplify right side
    5,571.12x = 17,628,768.36
  5. Step 5: Solve for x
    x = 17,628,768.36/5,571.12
  6. Step 6: Final answer
    x = 3,164.31

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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.