Home / 4,408.78-6,618.03-2,561.98

Finding the Fourth Proportional to 4,408.78, 6,618.03 and 2,561.98

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Solution

The fourth proportional to 4,408.78, 6,618.03 and 2,561.98 is: 3,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.78 : 6,618.03 = 2,561.98 : x
  2. Step 2: Convert to fraction form
    4,408.78/6,618.03 = 2,561.98/x
  3. Step 3: Cross multiply
    4,408.78x = 6,618.03 × 2,561.98
  4. Step 4: Simplify right side
    4,408.78x = 16,955,260.50
  5. Step 5: Solve for x
    x = 16,955,260.50/4,408.78
  6. Step 6: Final answer
    x = 3,845.79

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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.