Home / 4,822.08-7,231.68-1,900.80

Finding the Fourth Proportional to 4,822.08, 7,231.68 and 1,900.80

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Solution

The fourth proportional to 4,822.08, 7,231.68 and 1,900.80 is: 2,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.08 : 7,231.68 = 1,900.80 : x
  2. Step 2: Convert to fraction form
    4,822.08/7,231.68 = 1,900.80/x
  3. Step 3: Cross multiply
    4,822.08x = 7,231.68 × 1,900.80
  4. Step 4: Simplify right side
    4,822.08x = 13,745,977.34
  5. Step 5: Solve for x
    x = 13,745,977.34/4,822.08
  6. Step 6: Final answer
    x = 2,850.63

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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.