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Finding the Fourth Proportional to 6,078.83, 9,120.14 and 5,161.10

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Solution

The fourth proportional to 6,078.83, 9,120.14 and 5,161.10 is: 7,743.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.83 : 9,120.14 = 5,161.10 : x
  2. Step 2: Convert to fraction form
    6,078.83/9,120.14 = 5,161.10/x
  3. Step 3: Cross multiply
    6,078.83x = 9,120.14 × 5,161.10
  4. Step 4: Simplify right side
    6,078.83x = 47,069,928.75
  5. Step 5: Solve for x
    x = 47,069,928.75/6,078.83
  6. Step 6: Final answer
    x = 7,743.25

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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.