Home / 8,113.77-12,163.37-2,916

Finding the Fourth Proportional to 8,113.77, 12,163.37 and 2,916

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Solution

The fourth proportional to 8,113.77, 12,163.37 and 2,916 is: 4,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,113.77 : 12,163.37 = 2,916 : x
  2. Step 2: Convert to fraction form
    8,113.77/12,163.37 = 2,916/x
  3. Step 3: Cross multiply
    8,113.77x = 12,163.37 × 2,916
  4. Step 4: Simplify right side
    8,113.77x = 35,468,372.34
  5. Step 5: Solve for x
    x = 35,468,372.34/8,113.77
  6. Step 6: Final answer
    x = 4,371.38

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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.