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Finding the Fourth Proportional to 4,727, 7,093.74 and 1,649

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Solution

The fourth proportional to 4,727, 7,093.74 and 1,649 is: 2,474.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727 : 7,093.74 = 1,649 : x
  2. Step 2: Convert to fraction form
    4,727/7,093.74 = 1,649/x
  3. Step 3: Cross multiply
    4,727x = 7,093.74 × 1,649
  4. Step 4: Simplify right side
    4,727x = 11,697,577.26
  5. Step 5: Solve for x
    x = 11,697,577.26/4,727
  6. Step 6: Final answer
    x = 2,474.63

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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.