Home / 6,680.68-9,218.77-3,696.52

Finding the Fourth Proportional to 6,680.68, 9,218.77 and 3,696.52

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Solution

The fourth proportional to 6,680.68, 9,218.77 and 3,696.52 is: 5,100.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.68 : 9,218.77 = 3,696.52 : x
  2. Step 2: Convert to fraction form
    6,680.68/9,218.77 = 3,696.52/x
  3. Step 3: Cross multiply
    6,680.68x = 9,218.77 × 3,696.52
  4. Step 4: Simplify right side
    6,680.68x = 34,077,367.68
  5. Step 5: Solve for x
    x = 34,077,367.68/6,680.68
  6. Step 6: Final answer
    x = 5,100.88

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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.