Home / 8,199.22-12,300.41-2,653.94

Finding the Fourth Proportional to 8,199.22, 12,300.41 and 2,653.94

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Solution

The fourth proportional to 8,199.22, 12,300.41 and 2,653.94 is: 3,981.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,199.22 : 12,300.41 = 2,653.94 : x
  2. Step 2: Convert to fraction form
    8,199.22/12,300.41 = 2,653.94/x
  3. Step 3: Cross multiply
    8,199.22x = 12,300.41 × 2,653.94
  4. Step 4: Simplify right side
    8,199.22x = 32,644,550.12
  5. Step 5: Solve for x
    x = 32,644,550.12/8,199.22
  6. Step 6: Final answer
    x = 3,981.42

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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.