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Finding the Fourth Proportional to 4,662.45, 6,996.11 and 3,018.56

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Solution

The fourth proportional to 4,662.45, 6,996.11 and 3,018.56 is: 4,529.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,662.45 : 6,996.11 = 3,018.56 : x
  2. Step 2: Convert to fraction form
    4,662.45/6,996.11 = 3,018.56/x
  3. Step 3: Cross multiply
    4,662.45x = 6,996.11 × 3,018.56
  4. Step 4: Simplify right side
    4,662.45x = 21,118,127.73
  5. Step 5: Solve for x
    x = 21,118,127.73/4,662.45
  6. Step 6: Final answer
    x = 4,529.41

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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.