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Finding the Fourth Proportional to 7,336.60, 10,980.60 and 5,149.60

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Solution

The fourth proportional to 7,336.60, 10,980.60 and 5,149.60 is: 7,707.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,336.60 : 10,980.60 = 5,149.60 : x
  2. Step 2: Convert to fraction form
    7,336.60/10,980.60 = 5,149.60/x
  3. Step 3: Cross multiply
    7,336.60x = 10,980.60 × 5,149.60
  4. Step 4: Simplify right side
    7,336.60x = 56,545,697.76
  5. Step 5: Solve for x
    x = 56,545,697.76/7,336.60
  6. Step 6: Final answer
    x = 7,707.34

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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.