Home / 4,906.21-6,770.96-2,810.38

Finding the Fourth Proportional to 4,906.21, 6,770.96 and 2,810.38

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Solution

The fourth proportional to 4,906.21, 6,770.96 and 2,810.38 is: 3,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.21 : 6,770.96 = 2,810.38 : x
  2. Step 2: Convert to fraction form
    4,906.21/6,770.96 = 2,810.38/x
  3. Step 3: Cross multiply
    4,906.21x = 6,770.96 × 2,810.38
  4. Step 4: Simplify right side
    4,906.21x = 19,028,970.56
  5. Step 5: Solve for x
    x = 19,028,970.56/4,906.21
  6. Step 6: Final answer
    x = 3,878.55

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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.