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Finding the Fourth Proportional to 7,076.68, 10,626.90 and 5,321.68

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Solution

The fourth proportional to 7,076.68, 10,626.90 and 5,321.68 is: 7,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,076.68 : 10,626.90 = 5,321.68 : x
  2. Step 2: Convert to fraction form
    7,076.68/10,626.90 = 5,321.68/x
  3. Step 3: Cross multiply
    7,076.68x = 10,626.90 × 5,321.68
  4. Step 4: Simplify right side
    7,076.68x = 56,552,961.19
  5. Step 5: Solve for x
    x = 56,552,961.19/7,076.68
  6. Step 6: Final answer
    x = 7,991.45

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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.