Home / 7,759.98-11,639.82-2,213.36

Finding the Fourth Proportional to 7,759.98, 11,639.82 and 2,213.36

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Solution

The fourth proportional to 7,759.98, 11,639.82 and 2,213.36 is: 3,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,759.98 : 11,639.82 = 2,213.36 : x
  2. Step 2: Convert to fraction form
    7,759.98/11,639.82 = 2,213.36/x
  3. Step 3: Cross multiply
    7,759.98x = 11,639.82 × 2,213.36
  4. Step 4: Simplify right side
    7,759.98x = 25,763,112.00
  5. Step 5: Solve for x
    x = 25,763,112.00/7,759.98
  6. Step 6: Final answer
    x = 3,320.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.