Home / 6,270.75-8,654.92-3,617.80

Finding the Fourth Proportional to 6,270.75, 8,654.92 and 3,617.80

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Solution

The fourth proportional to 6,270.75, 8,654.92 and 3,617.80 is: 4,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.75 : 8,654.92 = 3,617.80 : x
  2. Step 2: Convert to fraction form
    6,270.75/8,654.92 = 3,617.80/x
  3. Step 3: Cross multiply
    6,270.75x = 8,654.92 × 3,617.80
  4. Step 4: Simplify right side
    6,270.75x = 31,311,738.89
  5. Step 5: Solve for x
    x = 31,311,738.89/6,270.75
  6. Step 6: Final answer
    x = 4,993.30

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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.