Home / 8,552.98-12,819.75-3,619.54

Finding the Fourth Proportional to 8,552.98, 12,819.75 and 3,619.54

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Solution

The fourth proportional to 8,552.98, 12,819.75 and 3,619.54 is: 5,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,552.98 : 12,819.75 = 3,619.54 : x
  2. Step 2: Convert to fraction form
    8,552.98/12,819.75 = 3,619.54/x
  3. Step 3: Cross multiply
    8,552.98x = 12,819.75 × 3,619.54
  4. Step 4: Simplify right side
    8,552.98x = 46,401,597.92
  5. Step 5: Solve for x
    x = 46,401,597.92/8,552.98
  6. Step 6: Final answer
    x = 5,425.20

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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.