Home / 6,790.68-9,370.80-3,996

Finding the Fourth Proportional to 6,790.68, 9,370.80 and 3,996

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Solution

The fourth proportional to 6,790.68, 9,370.80 and 3,996 is: 5,514.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,790.68 : 9,370.80 = 3,996 : x
  2. Step 2: Convert to fraction form
    6,790.68/9,370.80 = 3,996/x
  3. Step 3: Cross multiply
    6,790.68x = 9,370.80 × 3,996
  4. Step 4: Simplify right side
    6,790.68x = 37,445,716.80
  5. Step 5: Solve for x
    x = 37,445,716.80/6,790.68
  6. Step 6: Final answer
    x = 5,514.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.