Home / 6,986.70-10,481.82-2,056.50

Finding the Fourth Proportional to 6,986.70, 10,481.82 and 2,056.50

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Solution

The fourth proportional to 6,986.70, 10,481.82 and 2,056.50 is: 3,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.70 : 10,481.82 = 2,056.50 : x
  2. Step 2: Convert to fraction form
    6,986.70/10,481.82 = 2,056.50/x
  3. Step 3: Cross multiply
    6,986.70x = 10,481.82 × 2,056.50
  4. Step 4: Simplify right side
    6,986.70x = 21,555,862.83
  5. Step 5: Solve for x
    x = 21,555,862.83/6,986.70
  6. Step 6: Final answer
    x = 3,085.27

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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.