Home / 8,197.91-12,297.06-2,651.84

Finding the Fourth Proportional to 8,197.91, 12,297.06 and 2,651.84

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Solution

The fourth proportional to 8,197.91, 12,297.06 and 2,651.84 is: 3,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.91 : 12,297.06 = 2,651.84 : x
  2. Step 2: Convert to fraction form
    8,197.91/12,297.06 = 2,651.84/x
  3. Step 3: Cross multiply
    8,197.91x = 12,297.06 × 2,651.84
  4. Step 4: Simplify right side
    8,197.91x = 32,609,774.11
  5. Step 5: Solve for x
    x = 32,609,774.11/8,197.91
  6. Step 6: Final answer
    x = 3,977.82

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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.