Home / 4,311.73-6,467.73-1,390.33

Finding the Fourth Proportional to 4,311.73, 6,467.73 and 1,390.33

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Solution

The fourth proportional to 4,311.73, 6,467.73 and 1,390.33 is: 2,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.73 : 6,467.73 = 1,390.33 : x
  2. Step 2: Convert to fraction form
    4,311.73/6,467.73 = 1,390.33/x
  3. Step 3: Cross multiply
    4,311.73x = 6,467.73 × 1,390.33
  4. Step 4: Simplify right side
    4,311.73x = 8,992,279.05
  5. Step 5: Solve for x
    x = 8,992,279.05/4,311.73
  6. Step 6: Final answer
    x = 2,085.54

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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.