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Finding the Fourth Proportional to 5,629.24, 7,768.72 and 3,271.40

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Solution

The fourth proportional to 5,629.24, 7,768.72 and 3,271.40 is: 4,514.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.24 : 7,768.72 = 3,271.40 : x
  2. Step 2: Convert to fraction form
    5,629.24/7,768.72 = 3,271.40/x
  3. Step 3: Cross multiply
    5,629.24x = 7,768.72 × 3,271.40
  4. Step 4: Simplify right side
    5,629.24x = 25,414,590.61
  5. Step 5: Solve for x
    x = 25,414,590.61/5,629.24
  6. Step 6: Final answer
    x = 4,514.75

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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.