Home / 8,072.01-12,112.70-3,391.65

Finding the Fourth Proportional to 8,072.01, 12,112.70 and 3,391.65

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Solution

The fourth proportional to 8,072.01, 12,112.70 and 3,391.65 is: 5,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072.01 : 12,112.70 = 3,391.65 : x
  2. Step 2: Convert to fraction form
    8,072.01/12,112.70 = 3,391.65/x
  3. Step 3: Cross multiply
    8,072.01x = 12,112.70 × 3,391.65
  4. Step 4: Simplify right side
    8,072.01x = 41,082,022.00
  5. Step 5: Solve for x
    x = 41,082,022.00/8,072.01
  6. Step 6: Final answer
    x = 5,089.44

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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.