Home / 6,211.64-8,571.30-3,693.80

Finding the Fourth Proportional to 6,211.64, 8,571.30 and 3,693.80

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Solution

The fourth proportional to 6,211.64, 8,571.30 and 3,693.80 is: 5,096.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,211.64 : 8,571.30 = 3,693.80 : x
  2. Step 2: Convert to fraction form
    6,211.64/8,571.30 = 3,693.80/x
  3. Step 3: Cross multiply
    6,211.64x = 8,571.30 × 3,693.80
  4. Step 4: Simplify right side
    6,211.64x = 31,660,667.94
  5. Step 5: Solve for x
    x = 31,660,667.94/6,211.64
  6. Step 6: Final answer
    x = 5,096.99

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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.