Home / 4,997.80-6,896.88-2,759.64

Finding the Fourth Proportional to 4,997.80, 6,896.88 and 2,759.64

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Solution

The fourth proportional to 4,997.80, 6,896.88 and 2,759.64 is: 3,808.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,997.80 : 6,896.88 = 2,759.64 : x
  2. Step 2: Convert to fraction form
    4,997.80/6,896.88 = 2,759.64/x
  3. Step 3: Cross multiply
    4,997.80x = 6,896.88 × 2,759.64
  4. Step 4: Simplify right side
    4,997.80x = 19,032,905.92
  5. Step 5: Solve for x
    x = 19,032,905.92/4,997.80
  6. Step 6: Final answer
    x = 3,808.26

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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.