Home / 4,121.89-6,183.47-1,347.91

Finding the Fourth Proportional to 4,121.89, 6,183.47 and 1,347.91

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Solution

The fourth proportional to 4,121.89, 6,183.47 and 1,347.91 is: 2,022.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.89 : 6,183.47 = 1,347.91 : x
  2. Step 2: Convert to fraction form
    4,121.89/6,183.47 = 1,347.91/x
  3. Step 3: Cross multiply
    4,121.89x = 6,183.47 × 1,347.91
  4. Step 4: Simplify right side
    4,121.89x = 8,334,748.96
  5. Step 5: Solve for x
    x = 8,334,748.96/4,121.89
  6. Step 6: Final answer
    x = 2,022.07

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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.