Home / 8,737.31-13,105.62-2,163.35

Finding the Fourth Proportional to 8,737.31, 13,105.62 and 2,163.35

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Solution

The fourth proportional to 8,737.31, 13,105.62 and 2,163.35 is: 3,244.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.31 : 13,105.62 = 2,163.35 : x
  2. Step 2: Convert to fraction form
    8,737.31/13,105.62 = 2,163.35/x
  3. Step 3: Cross multiply
    8,737.31x = 13,105.62 × 2,163.35
  4. Step 4: Simplify right side
    8,737.31x = 28,351,977.50
  5. Step 5: Solve for x
    x = 28,351,977.50/8,737.31
  6. Step 6: Final answer
    x = 3,244.93

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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.