Home / 8,131.37-12,198.56-2,583.23

Finding the Fourth Proportional to 8,131.37, 12,198.56 and 2,583.23

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Solution

The fourth proportional to 8,131.37, 12,198.56 and 2,583.23 is: 3,875.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.37 : 12,198.56 = 2,583.23 : x
  2. Step 2: Convert to fraction form
    8,131.37/12,198.56 = 2,583.23/x
  3. Step 3: Cross multiply
    8,131.37x = 12,198.56 × 2,583.23
  4. Step 4: Simplify right side
    8,131.37x = 31,511,612.24
  5. Step 5: Solve for x
    x = 31,511,612.24/8,131.37
  6. Step 6: Final answer
    x = 3,875.32

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1.5x scale

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.