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Finding the Fourth Proportional to 5,919.12, 8,109.08 and 5,697.54

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Solution

The fourth proportional to 5,919.12, 8,109.08 and 5,697.54 is: 7,805.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.12 : 8,109.08 = 5,697.54 : x
  2. Step 2: Convert to fraction form
    5,919.12/8,109.08 = 5,697.54/x
  3. Step 3: Cross multiply
    5,919.12x = 8,109.08 × 5,697.54
  4. Step 4: Simplify right side
    5,919.12x = 46,201,779.18
  5. Step 5: Solve for x
    x = 46,201,779.18/5,919.12
  6. Step 6: Final answer
    x = 7,805.51

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These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.