Home / 4,505.67-6,760.53-2,861.78

Finding the Fourth Proportional to 4,505.67, 6,760.53 and 2,861.78

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Solution

The fourth proportional to 4,505.67, 6,760.53 and 2,861.78 is: 4,293.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.67 : 6,760.53 = 2,861.78 : x
  2. Step 2: Convert to fraction form
    4,505.67/6,760.53 = 2,861.78/x
  3. Step 3: Cross multiply
    4,505.67x = 6,760.53 × 2,861.78
  4. Step 4: Simplify right side
    4,505.67x = 19,347,115.74
  5. Step 5: Solve for x
    x = 19,347,115.74/4,505.67
  6. Step 6: Final answer
    x = 4,293.95

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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.