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Finding the Fourth Proportional to 7,094.36, 9,789.98 and 3,907.82

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Solution

The fourth proportional to 7,094.36, 9,789.98 and 3,907.82 is: 5,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,094.36 : 9,789.98 = 3,907.82 : x
  2. Step 2: Convert to fraction form
    7,094.36/9,789.98 = 3,907.82/x
  3. Step 3: Cross multiply
    7,094.36x = 9,789.98 × 3,907.82
  4. Step 4: Simplify right side
    7,094.36x = 38,257,479.64
  5. Step 5: Solve for x
    x = 38,257,479.64/7,094.36
  6. Step 6: Final answer
    x = 5,392.66

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.