Home / 6,968.36-9,616.98-3,825.20

Finding the Fourth Proportional to 6,968.36, 9,616.98 and 3,825.20

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Solution

The fourth proportional to 6,968.36, 9,616.98 and 3,825.20 is: 5,279.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968.36 : 9,616.98 = 3,825.20 : x
  2. Step 2: Convert to fraction form
    6,968.36/9,616.98 = 3,825.20/x
  3. Step 3: Cross multiply
    6,968.36x = 9,616.98 × 3,825.20
  4. Step 4: Simplify right side
    6,968.36x = 36,786,871.90
  5. Step 5: Solve for x
    x = 36,786,871.90/6,968.36
  6. Step 6: Final answer
    x = 5,279.13

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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.