Home / 8,517.86-12,777.39-2,674.38

Finding the Fourth Proportional to 8,517.86, 12,777.39 and 2,674.38

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Solution

The fourth proportional to 8,517.86, 12,777.39 and 2,674.38 is: 4,011.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517.86 : 12,777.39 = 2,674.38 : x
  2. Step 2: Convert to fraction form
    8,517.86/12,777.39 = 2,674.38/x
  3. Step 3: Cross multiply
    8,517.86x = 12,777.39 × 2,674.38
  4. Step 4: Simplify right side
    8,517.86x = 34,171,596.27
  5. Step 5: Solve for x
    x = 34,171,596.27/8,517.86
  6. Step 6: Final answer
    x = 4,011.76

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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.