Home / 8,737.36-13,105.94-3,190.64

Finding the Fourth Proportional to 8,737.36, 13,105.94 and 3,190.64

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Solution

The fourth proportional to 8,737.36, 13,105.94 and 3,190.64 is: 4,785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.36 : 13,105.94 = 3,190.64 : x
  2. Step 2: Convert to fraction form
    8,737.36/13,105.94 = 3,190.64/x
  3. Step 3: Cross multiply
    8,737.36x = 13,105.94 × 3,190.64
  4. Step 4: Simplify right side
    8,737.36x = 41,816,254.92
  5. Step 5: Solve for x
    x = 41,816,254.92/8,737.36
  6. Step 6: Final answer
    x = 4,785.92

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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.