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Finding the Fourth Proportional to 9,791.76, 13,509.27 and 5,542.32

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Solution

The fourth proportional to 9,791.76, 13,509.27 and 5,542.32 is: 7,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,791.76 : 13,509.27 = 5,542.32 : x
  2. Step 2: Convert to fraction form
    9,791.76/13,509.27 = 5,542.32/x
  3. Step 3: Cross multiply
    9,791.76x = 13,509.27 × 5,542.32
  4. Step 4: Simplify right side
    9,791.76x = 74,872,697.31
  5. Step 5: Solve for x
    x = 74,872,697.31/9,791.76
  6. Step 6: Final answer
    x = 7,646.50

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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.