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Finding the Fourth Proportional to 4,674.75, 7,012.14 and 1,754.43

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Solution

The fourth proportional to 4,674.75, 7,012.14 and 1,754.43 is: 2,631.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,674.75 : 7,012.14 = 1,754.43 : x
  2. Step 2: Convert to fraction form
    4,674.75/7,012.14 = 1,754.43/x
  3. Step 3: Cross multiply
    4,674.75x = 7,012.14 × 1,754.43
  4. Step 4: Simplify right side
    4,674.75x = 12,302,308.78
  5. Step 5: Solve for x
    x = 12,302,308.78/4,674.75
  6. Step 6: Final answer
    x = 2,631.65

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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.