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Finding the Fourth Proportional to 9,079.56, 12,537.99 and 5,728.32

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Solution

The fourth proportional to 9,079.56, 12,537.99 and 5,728.32 is: 7,910.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.56 : 12,537.99 = 5,728.32 : x
  2. Step 2: Convert to fraction form
    9,079.56/12,537.99 = 5,728.32/x
  3. Step 3: Cross multiply
    9,079.56x = 12,537.99 × 5,728.32
  4. Step 4: Simplify right side
    9,079.56x = 71,821,618.88
  5. Step 5: Solve for x
    x = 71,821,618.88/9,079.56
  6. Step 6: Final answer
    x = 7,910.25

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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.