Home / 4,813.78-7,224.45-2,215.30

Finding the Fourth Proportional to 4,813.78, 7,224.45 and 2,215.30

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Solution

The fourth proportional to 4,813.78, 7,224.45 and 2,215.30 is: 3,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.78 : 7,224.45 = 2,215.30 : x
  2. Step 2: Convert to fraction form
    4,813.78/7,224.45 = 2,215.30/x
  3. Step 3: Cross multiply
    4,813.78x = 7,224.45 × 2,215.30
  4. Step 4: Simplify right side
    4,813.78x = 16,004,324.09
  5. Step 5: Solve for x
    x = 16,004,324.09/4,813.78
  6. Step 6: Final answer
    x = 3,324.69

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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.