Home / 4,108.31-6,123.43-3,874.80

Finding the Fourth Proportional to 4,108.31, 6,123.43 and 3,874.80

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Solution

The fourth proportional to 4,108.31, 6,123.43 and 3,874.80 is: 5,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.31 : 6,123.43 = 3,874.80 : x
  2. Step 2: Convert to fraction form
    4,108.31/6,123.43 = 3,874.80/x
  3. Step 3: Cross multiply
    4,108.31x = 6,123.43 × 3,874.80
  4. Step 4: Simplify right side
    4,108.31x = 23,727,066.56
  5. Step 5: Solve for x
    x = 23,727,066.56/4,108.31
  6. Step 6: Final answer
    x = 5,775.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.