Home / 6,882.36-9,496.96-3,897.60

Finding the Fourth Proportional to 6,882.36, 9,496.96 and 3,897.60

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Solution

The fourth proportional to 6,882.36, 9,496.96 and 3,897.60 is: 5,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,882.36 : 9,496.96 = 3,897.60 : x
  2. Step 2: Convert to fraction form
    6,882.36/9,496.96 = 3,897.60/x
  3. Step 3: Cross multiply
    6,882.36x = 9,496.96 × 3,897.60
  4. Step 4: Simplify right side
    6,882.36x = 37,015,351.30
  5. Step 5: Solve for x
    x = 37,015,351.30/6,882.36
  6. Step 6: Final answer
    x = 5,378.29

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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.