Home / 8,738.56-13,102.98-2,891.98

Finding the Fourth Proportional to 8,738.56, 13,102.98 and 2,891.98

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Solution

The fourth proportional to 8,738.56, 13,102.98 and 2,891.98 is: 4,336.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,738.56 : 13,102.98 = 2,891.98 : x
  2. Step 2: Convert to fraction form
    8,738.56/13,102.98 = 2,891.98/x
  3. Step 3: Cross multiply
    8,738.56x = 13,102.98 × 2,891.98
  4. Step 4: Simplify right side
    8,738.56x = 37,893,556.10
  5. Step 5: Solve for x
    x = 37,893,556.10/8,738.56
  6. Step 6: Final answer
    x = 4,336.36

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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.