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Finding the Fourth Proportional to 7,559.31, 11,338.97 and 2,942.31

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Solution

The fourth proportional to 7,559.31, 11,338.97 and 2,942.31 is: 4,413.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559.31 : 11,338.97 = 2,942.31 : x
  2. Step 2: Convert to fraction form
    7,559.31/11,338.97 = 2,942.31/x
  3. Step 3: Cross multiply
    7,559.31x = 11,338.97 × 2,942.31
  4. Step 4: Simplify right side
    7,559.31x = 33,362,764.82
  5. Step 5: Solve for x
    x = 33,362,764.82/7,559.31
  6. Step 6: Final answer
    x = 4,413.47

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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.