Home / 5,189.36-7,787.60-2,268.48

Finding the Fourth Proportional to 5,189.36, 7,787.60 and 2,268.48

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Solution

The fourth proportional to 5,189.36, 7,787.60 and 2,268.48 is: 3,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.36 : 7,787.60 = 2,268.48 : x
  2. Step 2: Convert to fraction form
    5,189.36/7,787.60 = 2,268.48/x
  3. Step 3: Cross multiply
    5,189.36x = 7,787.60 × 2,268.48
  4. Step 4: Simplify right side
    5,189.36x = 17,666,014.85
  5. Step 5: Solve for x
    x = 17,666,014.85/5,189.36
  6. Step 6: Final answer
    x = 3,404.28

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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.