Home / 6,277.40-8,660.41-3,623.84

Finding the Fourth Proportional to 6,277.40, 8,660.41 and 3,623.84

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Solution

The fourth proportional to 6,277.40, 8,660.41 and 3,623.84 is: 4,999.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,277.40 : 8,660.41 = 3,623.84 : x
  2. Step 2: Convert to fraction form
    6,277.40/8,660.41 = 3,623.84/x
  3. Step 3: Cross multiply
    6,277.40x = 8,660.41 × 3,623.84
  4. Step 4: Simplify right side
    6,277.40x = 31,383,940.17
  5. Step 5: Solve for x
    x = 31,383,940.17/6,277.40
  6. Step 6: Final answer
    x = 4,999.51

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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.