Home / 7,173.26-10,759.79-1,979.00

Finding the Fourth Proportional to 7,173.26, 10,759.79 and 1,979.00

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Solution

The fourth proportional to 7,173.26, 10,759.79 and 1,979.00 is: 2,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.26 : 10,759.79 = 1,979.00 : x
  2. Step 2: Convert to fraction form
    7,173.26/10,759.79 = 1,979.00/x
  3. Step 3: Cross multiply
    7,173.26x = 10,759.79 × 1,979.00
  4. Step 4: Simplify right side
    7,173.26x = 21,293,575.56
  5. Step 5: Solve for x
    x = 21,293,575.56/7,173.26
  6. Step 6: Final answer
    x = 2,968.47

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Double scale
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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.