Home / 5,226.44-7,840.46-1,762.88

Finding the Fourth Proportional to 5,226.44, 7,840.46 and 1,762.88

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Solution

The fourth proportional to 5,226.44, 7,840.46 and 1,762.88 is: 2,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.44 : 7,840.46 = 1,762.88 : x
  2. Step 2: Convert to fraction form
    5,226.44/7,840.46 = 1,762.88/x
  3. Step 3: Cross multiply
    5,226.44x = 7,840.46 × 1,762.88
  4. Step 4: Simplify right side
    5,226.44x = 13,821,755.33
  5. Step 5: Solve for x
    x = 13,821,755.33/5,226.44
  6. Step 6: Final answer
    x = 2,644.59

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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.