Home / 8,189.84-12,284.70-3,804.86

Finding the Fourth Proportional to 8,189.84, 12,284.70 and 3,804.86

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Solution

The fourth proportional to 8,189.84, 12,284.70 and 3,804.86 is: 5,707.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189.84 : 12,284.70 = 3,804.86 : x
  2. Step 2: Convert to fraction form
    8,189.84/12,284.70 = 3,804.86/x
  3. Step 3: Cross multiply
    8,189.84x = 12,284.70 × 3,804.86
  4. Step 4: Simplify right side
    8,189.84x = 46,741,563.64
  5. Step 5: Solve for x
    x = 46,741,563.64/8,189.84
  6. Step 6: Final answer
    x = 5,707.26

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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.