Home / 7,131.20-10,698.30-2,201.33

Finding the Fourth Proportional to 7,131.20, 10,698.30 and 2,201.33

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Solution

The fourth proportional to 7,131.20, 10,698.30 and 2,201.33 is: 3,302.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.20 : 10,698.30 = 2,201.33 : x
  2. Step 2: Convert to fraction form
    7,131.20/10,698.30 = 2,201.33/x
  3. Step 3: Cross multiply
    7,131.20x = 10,698.30 × 2,201.33
  4. Step 4: Simplify right side
    7,131.20x = 23,550,435.25
  5. Step 5: Solve for x
    x = 23,550,435.25/7,131.20
  6. Step 6: Final answer
    x = 3,302.45

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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.