Home / 7,173.88-10,760.82-1,979.76

Finding the Fourth Proportional to 7,173.88, 10,760.82 and 1,979.76

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Solution

The fourth proportional to 7,173.88, 10,760.82 and 1,979.76 is: 2,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.88 : 10,760.82 = 1,979.76 : x
  2. Step 2: Convert to fraction form
    7,173.88/10,760.82 = 1,979.76/x
  3. Step 3: Cross multiply
    7,173.88x = 10,760.82 × 1,979.76
  4. Step 4: Simplify right side
    7,173.88x = 21,303,841.00
  5. Step 5: Solve for x
    x = 21,303,841.00/7,173.88
  6. Step 6: Final answer
    x = 2,969.64

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Double scale
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Similar ratio
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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.