Home / 4,817.98-6,647.70-2,828.44

Finding the Fourth Proportional to 4,817.98, 6,647.70 and 2,828.44

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Solution

The fourth proportional to 4,817.98, 6,647.70 and 2,828.44 is: 3,902.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,817.98 : 6,647.70 = 2,828.44 : x
  2. Step 2: Convert to fraction form
    4,817.98/6,647.70 = 2,828.44/x
  3. Step 3: Cross multiply
    4,817.98x = 6,647.70 × 2,828.44
  4. Step 4: Simplify right side
    4,817.98x = 18,802,620.59
  5. Step 5: Solve for x
    x = 18,802,620.59/4,817.98
  6. Step 6: Final answer
    x = 3,902.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.