Home / 4,385.22-6,577.12-1,611.21

Finding the Fourth Proportional to 4,385.22, 6,577.12 and 1,611.21

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Solution

The fourth proportional to 4,385.22, 6,577.12 and 1,611.21 is: 2,416.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.22 : 6,577.12 = 1,611.21 : x
  2. Step 2: Convert to fraction form
    4,385.22/6,577.12 = 1,611.21/x
  3. Step 3: Cross multiply
    4,385.22x = 6,577.12 × 1,611.21
  4. Step 4: Simplify right side
    4,385.22x = 10,597,121.52
  5. Step 5: Solve for x
    x = 10,597,121.52/4,385.22
  6. Step 6: Final answer
    x = 2,416.55

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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.