Home / 8,104.36-12,153.04-3,426.44

Finding the Fourth Proportional to 8,104.36, 12,153.04 and 3,426.44

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Solution

The fourth proportional to 8,104.36, 12,153.04 and 3,426.44 is: 5,138.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104.36 : 12,153.04 = 3,426.44 : x
  2. Step 2: Convert to fraction form
    8,104.36/12,153.04 = 3,426.44/x
  3. Step 3: Cross multiply
    8,104.36x = 12,153.04 × 3,426.44
  4. Step 4: Simplify right side
    8,104.36x = 41,641,662.38
  5. Step 5: Solve for x
    x = 41,641,662.38/8,104.36
  6. Step 6: Final answer
    x = 5,138.18

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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.