Home / 7,181.42-10,772.79-3,020.66

Finding the Fourth Proportional to 7,181.42, 10,772.79 and 3,020.66

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Solution

The fourth proportional to 7,181.42, 10,772.79 and 3,020.66 is: 4,531.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,181.42 : 10,772.79 = 3,020.66 : x
  2. Step 2: Convert to fraction form
    7,181.42/10,772.79 = 3,020.66/x
  3. Step 3: Cross multiply
    7,181.42x = 10,772.79 × 3,020.66
  4. Step 4: Simplify right side
    7,181.42x = 32,540,881.98
  5. Step 5: Solve for x
    x = 32,540,881.98/7,181.42
  6. Step 6: Final answer
    x = 4,531.26

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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.