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Finding the Fourth Proportional to 4,561.24, 6,842.82 and 1,483

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Solution

The fourth proportional to 4,561.24, 6,842.82 and 1,483 is: 2,224.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.24 : 6,842.82 = 1,483 : x
  2. Step 2: Convert to fraction form
    4,561.24/6,842.82 = 1,483/x
  3. Step 3: Cross multiply
    4,561.24x = 6,842.82 × 1,483
  4. Step 4: Simplify right side
    4,561.24x = 10,147,902.06
  5. Step 5: Solve for x
    x = 10,147,902.06/4,561.24
  6. Step 6: Final answer
    x = 2,224.81

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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.