Home / 7,182.36-10,769.80-3,230.19

Finding the Fourth Proportional to 7,182.36, 10,769.80 and 3,230.19

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Solution

The fourth proportional to 7,182.36, 10,769.80 and 3,230.19 is: 4,843.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.36 : 10,769.80 = 3,230.19 : x
  2. Step 2: Convert to fraction form
    7,182.36/10,769.80 = 3,230.19/x
  3. Step 3: Cross multiply
    7,182.36x = 10,769.80 × 3,230.19
  4. Step 4: Simplify right side
    7,182.36x = 34,788,508.85
  5. Step 5: Solve for x
    x = 34,788,508.85/7,182.36
  6. Step 6: Final answer
    x = 4,843.61

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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.