Home / 5,917.78-8,874.43-2,021.46

Finding the Fourth Proportional to 5,917.78, 8,874.43 and 2,021.46

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Solution

The fourth proportional to 5,917.78, 8,874.43 and 2,021.46 is: 3,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.78 : 8,874.43 = 2,021.46 : x
  2. Step 2: Convert to fraction form
    5,917.78/8,874.43 = 2,021.46/x
  3. Step 3: Cross multiply
    5,917.78x = 8,874.43 × 2,021.46
  4. Step 4: Simplify right side
    5,917.78x = 17,939,305.27
  5. Step 5: Solve for x
    x = 17,939,305.27/5,917.78
  6. Step 6: Final answer
    x = 3,031.42

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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.