Home / 6,021.75-8,315.15-3,787.37

Finding the Fourth Proportional to 6,021.75, 8,315.15 and 3,787.37

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Solution

The fourth proportional to 6,021.75, 8,315.15 and 3,787.37 is: 5,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.75 : 8,315.15 = 3,787.37 : x
  2. Step 2: Convert to fraction form
    6,021.75/8,315.15 = 3,787.37/x
  3. Step 3: Cross multiply
    6,021.75x = 8,315.15 × 3,787.37
  4. Step 4: Simplify right side
    6,021.75x = 31,492,489.14
  5. Step 5: Solve for x
    x = 31,492,489.14/6,021.75
  6. Step 6: Final answer
    x = 5,229.79

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1.5x scale

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.