Home / 6,879.02-10,315.37-2,198.00

Finding the Fourth Proportional to 6,879.02, 10,315.37 and 2,198.00

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Solution

The fourth proportional to 6,879.02, 10,315.37 and 2,198.00 is: 3,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.02 : 10,315.37 = 2,198.00 : x
  2. Step 2: Convert to fraction form
    6,879.02/10,315.37 = 2,198.00/x
  3. Step 3: Cross multiply
    6,879.02x = 10,315.37 × 2,198.00
  4. Step 4: Simplify right side
    6,879.02x = 22,673,131.68
  5. Step 5: Solve for x
    x = 22,673,131.68/6,879.02
  6. Step 6: Final answer
    x = 3,295.98

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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.