Home / 5,940.34-8,912.66-2,780.56

Finding the Fourth Proportional to 5,940.34, 8,912.66 and 2,780.56

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Solution

The fourth proportional to 5,940.34, 8,912.66 and 2,780.56 is: 4,171.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,940.34 : 8,912.66 = 2,780.56 : x
  2. Step 2: Convert to fraction form
    5,940.34/8,912.66 = 2,780.56/x
  3. Step 3: Cross multiply
    5,940.34x = 8,912.66 × 2,780.56
  4. Step 4: Simplify right side
    5,940.34x = 24,782,127.42
  5. Step 5: Solve for x
    x = 24,782,127.42/5,940.34
  6. Step 6: Final answer
    x = 4,171.84

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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.