Home / 8,383.08-12,568.52-3,450.98

Finding the Fourth Proportional to 8,383.08, 12,568.52 and 3,450.98

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Solution

The fourth proportional to 8,383.08, 12,568.52 and 3,450.98 is: 5,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.08 : 12,568.52 = 3,450.98 : x
  2. Step 2: Convert to fraction form
    8,383.08/12,568.52 = 3,450.98/x
  3. Step 3: Cross multiply
    8,383.08x = 12,568.52 × 3,450.98
  4. Step 4: Simplify right side
    8,383.08x = 43,373,711.15
  5. Step 5: Solve for x
    x = 43,373,711.15/8,383.08
  6. Step 6: Final answer
    x = 5,173.96

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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.