Home / 5,190.51-7,784.96-2,268.03

Finding the Fourth Proportional to 5,190.51, 7,784.96 and 2,268.03

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Solution

The fourth proportional to 5,190.51, 7,784.96 and 2,268.03 is: 3,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.51 : 7,784.96 = 2,268.03 : x
  2. Step 2: Convert to fraction form
    5,190.51/7,784.96 = 2,268.03/x
  3. Step 3: Cross multiply
    5,190.51x = 7,784.96 × 2,268.03
  4. Step 4: Simplify right side
    5,190.51x = 17,656,553.44
  5. Step 5: Solve for x
    x = 17,656,553.44/5,190.51
  6. Step 6: Final answer
    x = 3,401.70

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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.