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Finding the Fourth Proportional to 4,450.80, 6,676.12 and 1,330.80

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Solution

The fourth proportional to 4,450.80, 6,676.12 and 1,330.80 is: 1,996.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,450.80 : 6,676.12 = 1,330.80 : x
  2. Step 2: Convert to fraction form
    4,450.80/6,676.12 = 1,330.80/x
  3. Step 3: Cross multiply
    4,450.80x = 6,676.12 × 1,330.80
  4. Step 4: Simplify right side
    4,450.80x = 8,884,580.50
  5. Step 5: Solve for x
    x = 8,884,580.50/4,450.80
  6. Step 6: Final answer
    x = 1,996.18

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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.