Home / 4,425.24-6,640.92-1,828.20

Finding the Fourth Proportional to 4,425.24, 6,640.92 and 1,828.20

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Solution

The fourth proportional to 4,425.24, 6,640.92 and 1,828.20 is: 2,743.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.24 : 6,640.92 = 1,828.20 : x
  2. Step 2: Convert to fraction form
    4,425.24/6,640.92 = 1,828.20/x
  3. Step 3: Cross multiply
    4,425.24x = 6,640.92 × 1,828.20
  4. Step 4: Simplify right side
    4,425.24x = 12,140,929.94
  5. Step 5: Solve for x
    x = 12,140,929.94/4,425.24
  6. Step 6: Final answer
    x = 2,743.56

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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.