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Finding the Fourth Proportional to 5,789.74, 7,989.79 and 3,271.89

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Solution

The fourth proportional to 5,789.74, 7,989.79 and 3,271.89 is: 4,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,789.74 : 7,989.79 = 3,271.89 : x
  2. Step 2: Convert to fraction form
    5,789.74/7,989.79 = 3,271.89/x
  3. Step 3: Cross multiply
    5,789.74x = 7,989.79 × 3,271.89
  4. Step 4: Simplify right side
    5,789.74x = 26,141,714.00
  5. Step 5: Solve for x
    x = 26,141,714.00/5,789.74
  6. Step 6: Final answer
    x = 4,515.18

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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.