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Finding the Fourth Proportional to 4,907.81, 6,771.06 and 2,783.03

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Solution

The fourth proportional to 4,907.81, 6,771.06 and 2,783.03 is: 3,839.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.81 : 6,771.06 = 2,783.03 : x
  2. Step 2: Convert to fraction form
    4,907.81/6,771.06 = 2,783.03/x
  3. Step 3: Cross multiply
    4,907.81x = 6,771.06 × 2,783.03
  4. Step 4: Simplify right side
    4,907.81x = 18,844,063.11
  5. Step 5: Solve for x
    x = 18,844,063.11/4,907.81
  6. Step 6: Final answer
    x = 3,839.61

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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.