Home / 4,245.42-6,361.62-1,778.89

Finding the Fourth Proportional to 4,245.42, 6,361.62 and 1,778.89

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Solution

The fourth proportional to 4,245.42, 6,361.62 and 1,778.89 is: 2,665.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.42 : 6,361.62 = 1,778.89 : x
  2. Step 2: Convert to fraction form
    4,245.42/6,361.62 = 1,778.89/x
  3. Step 3: Cross multiply
    4,245.42x = 6,361.62 × 1,778.89
  4. Step 4: Simplify right side
    4,245.42x = 11,316,622.20
  5. Step 5: Solve for x
    x = 11,316,622.20/4,245.42
  6. Step 6: Final answer
    x = 2,665.61

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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.