Home / 4,908.19-6,771.80-2,783.38

Finding the Fourth Proportional to 4,908.19, 6,771.80 and 2,783.38

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Solution

The fourth proportional to 4,908.19, 6,771.80 and 2,783.38 is: 3,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.19 : 6,771.80 = 2,783.38 : x
  2. Step 2: Convert to fraction form
    4,908.19/6,771.80 = 2,783.38/x
  3. Step 3: Cross multiply
    4,908.19x = 6,771.80 × 2,783.38
  4. Step 4: Simplify right side
    4,908.19x = 18,848,492.68
  5. Step 5: Solve for x
    x = 18,848,492.68/4,908.19
  6. Step 6: Final answer
    x = 3,840.21

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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.