Home / 7,176.38-10,764.56-1,982.25

Finding the Fourth Proportional to 7,176.38, 10,764.56 and 1,982.25

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Solution

The fourth proportional to 7,176.38, 10,764.56 and 1,982.25 is: 2,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.38 : 10,764.56 = 1,982.25 : x
  2. Step 2: Convert to fraction form
    7,176.38/10,764.56 = 1,982.25/x
  3. Step 3: Cross multiply
    7,176.38x = 10,764.56 × 1,982.25
  4. Step 4: Simplify right side
    7,176.38x = 21,338,054.02
  5. Step 5: Solve for x
    x = 21,338,054.02/7,176.38
  6. Step 6: Final answer
    x = 2,973.38

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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.