Home / 5,825.38-8,739.43-1,665.44

Finding the Fourth Proportional to 5,825.38, 8,739.43 and 1,665.44

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Solution

The fourth proportional to 5,825.38, 8,739.43 and 1,665.44 is: 2,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,825.38 : 8,739.43 = 1,665.44 : x
  2. Step 2: Convert to fraction form
    5,825.38/8,739.43 = 1,665.44/x
  3. Step 3: Cross multiply
    5,825.38x = 8,739.43 × 1,665.44
  4. Step 4: Simplify right side
    5,825.38x = 14,555,013.98
  5. Step 5: Solve for x
    x = 14,555,013.98/5,825.38
  6. Step 6: Final answer
    x = 2,498.55

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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.