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Finding the Fourth Proportional to 9,193.60, 13,790.40 and 5,507.20

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Solution

The fourth proportional to 9,193.60, 13,790.40 and 5,507.20 is: 8,260.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,193.60 : 13,790.40 = 5,507.20 : x
  2. Step 2: Convert to fraction form
    9,193.60/13,790.40 = 5,507.20/x
  3. Step 3: Cross multiply
    9,193.60x = 13,790.40 × 5,507.20
  4. Step 4: Simplify right side
    9,193.60x = 75,946,490.88
  5. Step 5: Solve for x
    x = 75,946,490.88/9,193.60
  6. Step 6: Final answer
    x = 8,260.80

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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.