Home / 8,169.84-12,247.92-3,785.04

Finding the Fourth Proportional to 8,169.84, 12,247.92 and 3,785.04

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Solution

The fourth proportional to 8,169.84, 12,247.92 and 3,785.04 is: 5,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169.84 : 12,247.92 = 3,785.04 : x
  2. Step 2: Convert to fraction form
    8,169.84/12,247.92 = 3,785.04/x
  3. Step 3: Cross multiply
    8,169.84x = 12,247.92 × 3,785.04
  4. Step 4: Simplify right side
    8,169.84x = 46,358,867.12
  5. Step 5: Solve for x
    x = 46,358,867.12/8,169.84
  6. Step 6: Final answer
    x = 5,674.39

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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.