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Finding the Fourth Proportional to 9,644.68, 13,307.84 and 5,664.34

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Solution

The fourth proportional to 9,644.68, 13,307.84 and 5,664.34 is: 7,815.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,644.68 : 13,307.84 = 5,664.34 : x
  2. Step 2: Convert to fraction form
    9,644.68/13,307.84 = 5,664.34/x
  3. Step 3: Cross multiply
    9,644.68x = 13,307.84 × 5,664.34
  4. Step 4: Simplify right side
    9,644.68x = 75,380,035.56
  5. Step 5: Solve for x
    x = 75,380,035.56/9,644.68
  6. Step 6: Final answer
    x = 7,815.72

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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.