Home / 4,415.44-6,621.69-1,782.26

Finding the Fourth Proportional to 4,415.44, 6,621.69 and 1,782.26

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Solution

The fourth proportional to 4,415.44, 6,621.69 and 1,782.26 is: 2,672.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.44 : 6,621.69 = 1,782.26 : x
  2. Step 2: Convert to fraction form
    4,415.44/6,621.69 = 1,782.26/x
  3. Step 3: Cross multiply
    4,415.44x = 6,621.69 × 1,782.26
  4. Step 4: Simplify right side
    4,415.44x = 11,801,573.22
  5. Step 5: Solve for x
    x = 11,801,573.22/4,415.44
  6. Step 6: Final answer
    x = 2,672.80

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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.