Home / 3,968.12-5,464.90-3,882.03

Finding the Fourth Proportional to 3,968.12, 5,464.90 and 3,882.03

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Solution

The fourth proportional to 3,968.12, 5,464.90 and 3,882.03 is: 5,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,968.12 : 5,464.90 = 3,882.03 : x
  2. Step 2: Convert to fraction form
    3,968.12/5,464.90 = 3,882.03/x
  3. Step 3: Cross multiply
    3,968.12x = 5,464.90 × 3,882.03
  4. Step 4: Simplify right side
    3,968.12x = 21,214,905.75
  5. Step 5: Solve for x
    x = 21,214,905.75/3,968.12
  6. Step 6: Final answer
    x = 5,346.34

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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.