Home / 6,738.45-10,108.20-1,808.04

Finding the Fourth Proportional to 6,738.45, 10,108.20 and 1,808.04

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Solution

The fourth proportional to 6,738.45, 10,108.20 and 1,808.04 is: 2,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.45 : 10,108.20 = 1,808.04 : x
  2. Step 2: Convert to fraction form
    6,738.45/10,108.20 = 1,808.04/x
  3. Step 3: Cross multiply
    6,738.45x = 10,108.20 × 1,808.04
  4. Step 4: Simplify right side
    6,738.45x = 18,276,029.93
  5. Step 5: Solve for x
    x = 18,276,029.93/6,738.45
  6. Step 6: Final answer
    x = 2,712.20

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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.