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Finding the Fourth Proportional to 9,880.48, 13,636.24 and 5,689.54

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Solution

The fourth proportional to 9,880.48, 13,636.24 and 5,689.54 is: 7,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,880.48 : 13,636.24 = 5,689.54 : x
  2. Step 2: Convert to fraction form
    9,880.48/13,636.24 = 5,689.54/x
  3. Step 3: Cross multiply
    9,880.48x = 13,636.24 × 5,689.54
  4. Step 4: Simplify right side
    9,880.48x = 77,583,932.93
  5. Step 5: Solve for x
    x = 77,583,932.93/9,880.48
  6. Step 6: Final answer
    x = 7,852.24

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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.