Home / 6,968.36-9,615.70-3,984.10

Finding the Fourth Proportional to 6,968.36, 9,615.70 and 3,984.10

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Solution

The fourth proportional to 6,968.36, 9,615.70 and 3,984.10 is: 5,497.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.36 : 9,615.70 = 3,984.10 : x
  2. Step 2: Convert to fraction form
    6,968.36/9,615.70 = 3,984.10/x
  3. Step 3: Cross multiply
    6,968.36x = 9,615.70 × 3,984.10
  4. Step 4: Simplify right side
    6,968.36x = 38,309,910.37
  5. Step 5: Solve for x
    x = 38,309,910.37/6,968.36
  6. Step 6: Final answer
    x = 5,497.69

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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.