Home / 4,486.91-6,729.89-1,200.33

Finding the Fourth Proportional to 4,486.91, 6,729.89 and 1,200.33

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Solution

The fourth proportional to 4,486.91, 6,729.89 and 1,200.33 is: 1,800.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,486.91 : 6,729.89 = 1,200.33 : x
  2. Step 2: Convert to fraction form
    4,486.91/6,729.89 = 1,200.33/x
  3. Step 3: Cross multiply
    4,486.91x = 6,729.89 × 1,200.33
  4. Step 4: Simplify right side
    4,486.91x = 8,078,082.86
  5. Step 5: Solve for x
    x = 8,078,082.86/4,486.91
  6. Step 6: Final answer
    x = 1,800.37

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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.