Home / 8,738.08-13,105.70-2,893.92

Finding the Fourth Proportional to 8,738.08, 13,105.70 and 2,893.92

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Solution

The fourth proportional to 8,738.08, 13,105.70 and 2,893.92 is: 4,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.08 : 13,105.70 = 2,893.92 : x
  2. Step 2: Convert to fraction form
    8,738.08/13,105.70 = 2,893.92/x
  3. Step 3: Cross multiply
    8,738.08x = 13,105.70 × 2,893.92
  4. Step 4: Simplify right side
    8,738.08x = 37,926,847.34
  5. Step 5: Solve for x
    x = 37,926,847.34/8,738.08
  6. Step 6: Final answer
    x = 4,340.41

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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.