Home / 4,408.05-6,611.88-1,774.78

Finding the Fourth Proportional to 4,408.05, 6,611.88 and 1,774.78

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Solution

The fourth proportional to 4,408.05, 6,611.88 and 1,774.78 is: 2,662.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.05 : 6,611.88 = 1,774.78 : x
  2. Step 2: Convert to fraction form
    4,408.05/6,611.88 = 1,774.78/x
  3. Step 3: Cross multiply
    4,408.05x = 6,611.88 × 1,774.78
  4. Step 4: Simplify right side
    4,408.05x = 11,734,632.39
  5. Step 5: Solve for x
    x = 11,734,632.39/4,408.05
  6. Step 6: Final answer
    x = 2,662.09

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1.5x scale

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.