Home / 8,923.12-13,390.82-3,079.73

Finding the Fourth Proportional to 8,923.12, 13,390.82 and 3,079.73

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Solution

The fourth proportional to 8,923.12, 13,390.82 and 3,079.73 is: 4,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,923.12 : 13,390.82 = 3,079.73 : x
  2. Step 2: Convert to fraction form
    8,923.12/13,390.82 = 3,079.73/x
  3. Step 3: Cross multiply
    8,923.12x = 13,390.82 × 3,079.73
  4. Step 4: Simplify right side
    8,923.12x = 41,240,110.08
  5. Step 5: Solve for x
    x = 41,240,110.08/8,923.12
  6. Step 6: Final answer
    x = 4,621.71

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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.