Home / 5,190.70-7,788.33-2,724.95

Finding the Fourth Proportional to 5,190.70, 7,788.33 and 2,724.95

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Solution

The fourth proportional to 5,190.70, 7,788.33 and 2,724.95 is: 4,088.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,190.70 : 7,788.33 = 2,724.95 : x
  2. Step 2: Convert to fraction form
    5,190.70/7,788.33 = 2,724.95/x
  3. Step 3: Cross multiply
    5,190.70x = 7,788.33 × 2,724.95
  4. Step 4: Simplify right side
    5,190.70x = 21,222,764.08
  5. Step 5: Solve for x
    x = 21,222,764.08/5,190.70
  6. Step 6: Final answer
    x = 4,088.62

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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.