Home / 8,605.07-12,912.05-3,673.38

Finding the Fourth Proportional to 8,605.07, 12,912.05 and 3,673.38

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Solution

The fourth proportional to 8,605.07, 12,912.05 and 3,673.38 is: 5,511.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,605.07 : 12,912.05 = 3,673.38 : x
  2. Step 2: Convert to fraction form
    8,605.07/12,912.05 = 3,673.38/x
  3. Step 3: Cross multiply
    8,605.07x = 12,912.05 × 3,673.38
  4. Step 4: Simplify right side
    8,605.07x = 47,430,866.23
  5. Step 5: Solve for x
    x = 47,430,866.23/8,605.07
  6. Step 6: Final answer
    x = 5,511.97

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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.