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Finding the Fourth Proportional to 4,425.44, 6,628.44 and 1,820.48

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Solution

The fourth proportional to 4,425.44, 6,628.44 and 1,820.48 is: 2,726.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,425.44 : 6,628.44 = 1,820.48 : x
  2. Step 2: Convert to fraction form
    4,425.44/6,628.44 = 1,820.48/x
  3. Step 3: Cross multiply
    4,425.44x = 6,628.44 × 1,820.48
  4. Step 4: Simplify right side
    4,425.44x = 12,066,942.45
  5. Step 5: Solve for x
    x = 12,066,942.45/4,425.44
  6. Step 6: Final answer
    x = 2,726.72

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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.