Home / 5,308.27-7,967.78-2,190.14

Finding the Fourth Proportional to 5,308.27, 7,967.78 and 2,190.14

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Solution

The fourth proportional to 5,308.27, 7,967.78 and 2,190.14 is: 3,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.27 : 7,967.78 = 2,190.14 : x
  2. Step 2: Convert to fraction form
    5,308.27/7,967.78 = 2,190.14/x
  3. Step 3: Cross multiply
    5,308.27x = 7,967.78 × 2,190.14
  4. Step 4: Simplify right side
    5,308.27x = 17,450,553.69
  5. Step 5: Solve for x
    x = 17,450,553.69/5,308.27
  6. Step 6: Final answer
    x = 3,287.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.