Home / 8,131.80-12,197.70-2,935.56

Finding the Fourth Proportional to 8,131.80, 12,197.70 and 2,935.56

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Solution

The fourth proportional to 8,131.80, 12,197.70 and 2,935.56 is: 4,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131.80 : 12,197.70 = 2,935.56 : x
  2. Step 2: Convert to fraction form
    8,131.80/12,197.70 = 2,935.56/x
  3. Step 3: Cross multiply
    8,131.80x = 12,197.70 × 2,935.56
  4. Step 4: Simplify right side
    8,131.80x = 35,807,080.21
  5. Step 5: Solve for x
    x = 35,807,080.21/8,131.80
  6. Step 6: Final answer
    x = 4,403.34

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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.