Home / 4,408.55-6,611.11-2,215.75

Finding the Fourth Proportional to 4,408.55, 6,611.11 and 2,215.75

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Solution

The fourth proportional to 4,408.55, 6,611.11 and 2,215.75 is: 3,322.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,408.55 : 6,611.11 = 2,215.75 : x
  2. Step 2: Convert to fraction form
    4,408.55/6,611.11 = 2,215.75/x
  3. Step 3: Cross multiply
    4,408.55x = 6,611.11 × 2,215.75
  4. Step 4: Simplify right side
    4,408.55x = 14,648,566.98
  5. Step 5: Solve for x
    x = 14,648,566.98/4,408.55
  6. Step 6: Final answer
    x = 3,322.76

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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.