Home / 5,190.72-7,788.34-2,724.94

Finding the Fourth Proportional to 5,190.72, 7,788.34 and 2,724.94

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Solution

The fourth proportional to 5,190.72, 7,788.34 and 2,724.94 is: 4,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.72 : 7,788.34 = 2,724.94 : x
  2. Step 2: Convert to fraction form
    5,190.72/7,788.34 = 2,724.94/x
  3. Step 3: Cross multiply
    5,190.72x = 7,788.34 × 2,724.94
  4. Step 4: Simplify right side
    5,190.72x = 21,222,759.20
  5. Step 5: Solve for x
    x = 21,222,759.20/5,190.72
  6. Step 6: Final answer
    x = 4,088.60

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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.