Home / 6,968.38-9,616.37-3,984.80

Finding the Fourth Proportional to 6,968.38, 9,616.37 and 3,984.80

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Solution

The fourth proportional to 6,968.38, 9,616.37 and 3,984.80 is: 5,499.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.38 : 9,616.37 = 3,984.80 : x
  2. Step 2: Convert to fraction form
    6,968.38/9,616.37 = 3,984.80/x
  3. Step 3: Cross multiply
    6,968.38x = 9,616.37 × 3,984.80
  4. Step 4: Simplify right side
    6,968.38x = 38,319,265.58
  5. Step 5: Solve for x
    x = 38,319,265.58/6,968.38
  6. Step 6: Final answer
    x = 5,499.02

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1.5x scale

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.