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Finding the Fourth Proportional to 6,794.55, 9,377.01 and 3,811.05

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Solution

The fourth proportional to 6,794.55, 9,377.01 and 3,811.05 is: 5,259.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,794.55 : 9,377.01 = 3,811.05 : x
  2. Step 2: Convert to fraction form
    6,794.55/9,377.01 = 3,811.05/x
  3. Step 3: Cross multiply
    6,794.55x = 9,377.01 × 3,811.05
  4. Step 4: Simplify right side
    6,794.55x = 35,736,253.96
  5. Step 5: Solve for x
    x = 35,736,253.96/6,794.55
  6. Step 6: Final answer
    x = 5,259.55

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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.