Home / 5,212.08-7,814.40-2,092.72

Finding the Fourth Proportional to 5,212.08, 7,814.40 and 2,092.72

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Solution

The fourth proportional to 5,212.08, 7,814.40 and 2,092.72 is: 3,137.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.08 : 7,814.40 = 2,092.72 : x
  2. Step 2: Convert to fraction form
    5,212.08/7,814.40 = 2,092.72/x
  3. Step 3: Cross multiply
    5,212.08x = 7,814.40 × 2,092.72
  4. Step 4: Simplify right side
    5,212.08x = 16,353,351.17
  5. Step 5: Solve for x
    x = 16,353,351.17/5,212.08
  6. Step 6: Final answer
    x = 3,137.59

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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.