Home / 7,112.98-10,669.46-2,728.04

Finding the Fourth Proportional to 7,112.98, 10,669.46 and 2,728.04

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Solution

The fourth proportional to 7,112.98, 10,669.46 and 2,728.04 is: 4,092.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.98 : 10,669.46 = 2,728.04 : x
  2. Step 2: Convert to fraction form
    7,112.98/10,669.46 = 2,728.04/x
  3. Step 3: Cross multiply
    7,112.98x = 10,669.46 × 2,728.04
  4. Step 4: Simplify right side
    7,112.98x = 29,106,713.66
  5. Step 5: Solve for x
    x = 29,106,713.66/7,112.98
  6. Step 6: Final answer
    x = 4,092.06

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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.