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Finding the Fourth Proportional to 8,520.45, 12,799.31 and 6,071.01

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Solution

The fourth proportional to 8,520.45, 12,799.31 and 6,071.01 is: 9,119.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.45 : 12,799.31 = 6,071.01 : x
  2. Step 2: Convert to fraction form
    8,520.45/12,799.31 = 6,071.01/x
  3. Step 3: Cross multiply
    8,520.45x = 12,799.31 × 6,071.01
  4. Step 4: Simplify right side
    8,520.45x = 77,704,739.00
  5. Step 5: Solve for x
    x = 77,704,739.00/8,520.45
  6. Step 6: Final answer
    x = 9,119.79

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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.