Home / 6,786.60-10,181.36-2,106.50

Finding the Fourth Proportional to 6,786.60, 10,181.36 and 2,106.50

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Solution

The fourth proportional to 6,786.60, 10,181.36 and 2,106.50 is: 3,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786.60 : 10,181.36 = 2,106.50 : x
  2. Step 2: Convert to fraction form
    6,786.60/10,181.36 = 2,106.50/x
  3. Step 3: Cross multiply
    6,786.60x = 10,181.36 × 2,106.50
  4. Step 4: Simplify right side
    6,786.60x = 21,447,034.84
  5. Step 5: Solve for x
    x = 21,447,034.84/6,786.60
  6. Step 6: Final answer
    x = 3,160.20

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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.