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Finding the Fourth Proportional to 7,933.20, 11,891.70 and 4,644.60

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Solution

The fourth proportional to 7,933.20, 11,891.70 and 4,644.60 is: 6,962.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,933.20 : 11,891.70 = 4,644.60 : x
  2. Step 2: Convert to fraction form
    7,933.20/11,891.70 = 4,644.60/x
  3. Step 3: Cross multiply
    7,933.20x = 11,891.70 × 4,644.60
  4. Step 4: Simplify right side
    7,933.20x = 55,232,189.82
  5. Step 5: Solve for x
    x = 55,232,189.82/7,933.20
  6. Step 6: Final answer
    x = 6,962.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.