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Finding the Fourth Proportional to 4,883.66, 6,739.65 and 2,759.65

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Solution

The fourth proportional to 4,883.66, 6,739.65 and 2,759.65 is: 3,808.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,883.66 : 6,739.65 = 2,759.65 : x
  2. Step 2: Convert to fraction form
    4,883.66/6,739.65 = 2,759.65/x
  3. Step 3: Cross multiply
    4,883.66x = 6,739.65 × 2,759.65
  4. Step 4: Simplify right side
    4,883.66x = 18,599,075.12
  5. Step 5: Solve for x
    x = 18,599,075.12/4,883.66
  6. Step 6: Final answer
    x = 3,808.43

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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.