Home / 7,576.50-11,349.90-3,867.78

Finding the Fourth Proportional to 7,576.50, 11,349.90 and 3,867.78

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Solution

The fourth proportional to 7,576.50, 11,349.90 and 3,867.78 is: 5,794.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,576.50 : 11,349.90 = 3,867.78 : x
  2. Step 2: Convert to fraction form
    7,576.50/11,349.90 = 3,867.78/x
  3. Step 3: Cross multiply
    7,576.50x = 11,349.90 × 3,867.78
  4. Step 4: Simplify right side
    7,576.50x = 43,898,916.22
  5. Step 5: Solve for x
    x = 43,898,916.22/7,576.50
  6. Step 6: Final answer
    x = 5,794.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.