Home / 8,153.10-12,231.54-3,222.36

Finding the Fourth Proportional to 8,153.10, 12,231.54 and 3,222.36

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Solution

The fourth proportional to 8,153.10, 12,231.54 and 3,222.36 is: 4,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,153.10 : 12,231.54 = 3,222.36 : x
  2. Step 2: Convert to fraction form
    8,153.10/12,231.54 = 3,222.36/x
  3. Step 3: Cross multiply
    8,153.10x = 12,231.54 × 3,222.36
  4. Step 4: Simplify right side
    8,153.10x = 39,414,425.23
  5. Step 5: Solve for x
    x = 39,414,425.23/8,153.10
  6. Step 6: Final answer
    x = 4,834.29

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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.