Home / 7,131.09-10,698.29-2,200.59

Finding the Fourth Proportional to 7,131.09, 10,698.29 and 2,200.59

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Solution

The fourth proportional to 7,131.09, 10,698.29 and 2,200.59 is: 3,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131.09 : 10,698.29 = 2,200.59 : x
  2. Step 2: Convert to fraction form
    7,131.09/10,698.29 = 2,200.59/x
  3. Step 3: Cross multiply
    7,131.09x = 10,698.29 × 2,200.59
  4. Step 4: Simplify right side
    7,131.09x = 23,542,538.99
  5. Step 5: Solve for x
    x = 23,542,538.99/7,131.09
  6. Step 6: Final answer
    x = 3,301.39

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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.