Home / 6,811.56-10,208.70-6,738.12

Finding the Fourth Proportional to 6,811.56, 10,208.70 and 6,738.12

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Solution

The fourth proportional to 6,811.56, 10,208.70 and 6,738.12 is: 10,098.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,811.56 : 10,208.70 = 6,738.12 : x
  2. Step 2: Convert to fraction form
    6,811.56/10,208.70 = 6,738.12/x
  3. Step 3: Cross multiply
    6,811.56x = 10,208.70 × 6,738.12
  4. Step 4: Simplify right side
    6,811.56x = 68,787,445.64
  5. Step 5: Solve for x
    x = 68,787,445.64/6,811.56
  6. Step 6: Final answer
    x = 10,098.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.