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Finding the Fourth Proportional to 6,678.96, 9,215.60 and 4,026.54

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Solution

The fourth proportional to 6,678.96, 9,215.60 and 4,026.54 is: 5,555.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.96 : 9,215.60 = 4,026.54 : x
  2. Step 2: Convert to fraction form
    6,678.96/9,215.60 = 4,026.54/x
  3. Step 3: Cross multiply
    6,678.96x = 9,215.60 × 4,026.54
  4. Step 4: Simplify right side
    6,678.96x = 37,106,982.02
  5. Step 5: Solve for x
    x = 37,106,982.02/6,678.96
  6. Step 6: Final answer
    x = 5,555.80

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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.