Home / 5,212.95-7,819.83-1,515.24

Finding the Fourth Proportional to 5,212.95, 7,819.83 and 1,515.24

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Solution

The fourth proportional to 5,212.95, 7,819.83 and 1,515.24 is: 2,272.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.95 : 7,819.83 = 1,515.24 : x
  2. Step 2: Convert to fraction form
    5,212.95/7,819.83 = 1,515.24/x
  3. Step 3: Cross multiply
    5,212.95x = 7,819.83 × 1,515.24
  4. Step 4: Simplify right side
    5,212.95x = 11,848,919.21
  5. Step 5: Solve for x
    x = 11,848,919.21/5,212.95
  6. Step 6: Final answer
    x = 2,272.98

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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.