Home / 4,941-6,821.64-3,819.96

Finding the Fourth Proportional to 4,941, 6,821.64 and 3,819.96

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Solution

The fourth proportional to 4,941, 6,821.64 and 3,819.96 is: 5,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941 : 6,821.64 = 3,819.96 : x
  2. Step 2: Convert to fraction form
    4,941/6,821.64 = 3,819.96/x
  3. Step 3: Cross multiply
    4,941x = 6,821.64 × 3,819.96
  4. Step 4: Simplify right side
    4,941x = 26,058,391.93
  5. Step 5: Solve for x
    x = 26,058,391.93/4,941
  6. Step 6: Final answer
    x = 5,273.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.