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Finding the Fourth Proportional to 9,609.78, 13,262.78 and 5,632.48

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Solution

The fourth proportional to 9,609.78, 13,262.78 and 5,632.48 is: 7,773.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,609.78 : 13,262.78 = 5,632.48 : x
  2. Step 2: Convert to fraction form
    9,609.78/13,262.78 = 5,632.48/x
  3. Step 3: Cross multiply
    9,609.78x = 13,262.78 × 5,632.48
  4. Step 4: Simplify right side
    9,609.78x = 74,702,343.09
  5. Step 5: Solve for x
    x = 74,702,343.09/9,609.78
  6. Step 6: Final answer
    x = 7,773.57

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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.