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Finding the Fourth Proportional to 8,901.53, 13,352.20 and 2,661.60

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Solution

The fourth proportional to 8,901.53, 13,352.20 and 2,661.60 is: 3,992.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.53 : 13,352.20 = 2,661.60 : x
  2. Step 2: Convert to fraction form
    8,901.53/13,352.20 = 2,661.60/x
  3. Step 3: Cross multiply
    8,901.53x = 13,352.20 × 2,661.60
  4. Step 4: Simplify right side
    8,901.53x = 35,538,215.52
  5. Step 5: Solve for x
    x = 35,538,215.52/8,901.53
  6. Step 6: Final answer
    x = 3,992.37

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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.