Home / 6,786.54-10,181.40-2,106.32

Finding the Fourth Proportional to 6,786.54, 10,181.40 and 2,106.32

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Solution

The fourth proportional to 6,786.54, 10,181.40 and 2,106.32 is: 3,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.54 : 10,181.40 = 2,106.32 : x
  2. Step 2: Convert to fraction form
    6,786.54/10,181.40 = 2,106.32/x
  3. Step 3: Cross multiply
    6,786.54x = 10,181.40 × 2,106.32
  4. Step 4: Simplify right side
    6,786.54x = 21,445,286.45
  5. Step 5: Solve for x
    x = 21,445,286.45/6,786.54
  6. Step 6: Final answer
    x = 3,159.97

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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.