Home / 6,786.50-10,181.21-2,106.41

Finding the Fourth Proportional to 6,786.50, 10,181.21 and 2,106.41

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Solution

The fourth proportional to 6,786.50, 10,181.21 and 2,106.41 is: 3,160.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.50 : 10,181.21 = 2,106.41 : x
  2. Step 2: Convert to fraction form
    6,786.50/10,181.21 = 2,106.41/x
  3. Step 3: Cross multiply
    6,786.50x = 10,181.21 × 2,106.41
  4. Step 4: Simplify right side
    6,786.50x = 21,445,802.56
  5. Step 5: Solve for x
    x = 21,445,802.56/6,786.50
  6. Step 6: Final answer
    x = 3,160.07

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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.