Home / 8,151.14-12,226.80-2,604.45

Finding the Fourth Proportional to 8,151.14, 12,226.80 and 2,604.45

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Solution

The fourth proportional to 8,151.14, 12,226.80 and 2,604.45 is: 3,906.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.14 : 12,226.80 = 2,604.45 : x
  2. Step 2: Convert to fraction form
    8,151.14/12,226.80 = 2,604.45/x
  3. Step 3: Cross multiply
    8,151.14x = 12,226.80 × 2,604.45
  4. Step 4: Simplify right side
    8,151.14x = 31,844,089.26
  5. Step 5: Solve for x
    x = 31,844,089.26/8,151.14
  6. Step 6: Final answer
    x = 3,906.70

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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.