Home / 4,228.82-6,344.40-1,764.80

Finding the Fourth Proportional to 4,228.82, 6,344.40 and 1,764.80

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Solution

The fourth proportional to 4,228.82, 6,344.40 and 1,764.80 is: 2,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,228.82 : 6,344.40 = 1,764.80 : x
  2. Step 2: Convert to fraction form
    4,228.82/6,344.40 = 1,764.80/x
  3. Step 3: Cross multiply
    4,228.82x = 6,344.40 × 1,764.80
  4. Step 4: Simplify right side
    4,228.82x = 11,196,597.12
  5. Step 5: Solve for x
    x = 11,196,597.12/4,228.82
  6. Step 6: Final answer
    x = 2,647.69

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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.