Home / 5,188.92-7,777.62-2,068.11

Finding the Fourth Proportional to 5,188.92, 7,777.62 and 2,068.11

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Solution

The fourth proportional to 5,188.92, 7,777.62 and 2,068.11 is: 3,099.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.92 : 7,777.62 = 2,068.11 : x
  2. Step 2: Convert to fraction form
    5,188.92/7,777.62 = 2,068.11/x
  3. Step 3: Cross multiply
    5,188.92x = 7,777.62 × 2,068.11
  4. Step 4: Simplify right side
    5,188.92x = 16,084,973.70
  5. Step 5: Solve for x
    x = 16,084,973.70/5,188.92
  6. Step 6: Final answer
    x = 3,099.87

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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.