Home / 5,212.04-7,817.42-2,091.92

Finding the Fourth Proportional to 5,212.04, 7,817.42 and 2,091.92

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Solution

The fourth proportional to 5,212.04, 7,817.42 and 2,091.92 is: 3,137.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.04 : 7,817.42 = 2,091.92 : x
  2. Step 2: Convert to fraction form
    5,212.04/7,817.42 = 2,091.92/x
  3. Step 3: Cross multiply
    5,212.04x = 7,817.42 × 2,091.92
  4. Step 4: Simplify right side
    5,212.04x = 16,353,383.39
  5. Step 5: Solve for x
    x = 16,353,383.39/5,212.04
  6. Step 6: Final answer
    x = 3,137.62

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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.