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Finding the Fourth Proportional to 8,574.66, 12,861.99 and 2,650.59

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Solution

The fourth proportional to 8,574.66, 12,861.99 and 2,650.59 is: 3,975.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.66 : 12,861.99 = 2,650.59 : x
  2. Step 2: Convert to fraction form
    8,574.66/12,861.99 = 2,650.59/x
  3. Step 3: Cross multiply
    8,574.66x = 12,861.99 × 2,650.59
  4. Step 4: Simplify right side
    8,574.66x = 34,091,862.07
  5. Step 5: Solve for x
    x = 34,091,862.07/8,574.66
  6. Step 6: Final answer
    x = 3,975.89

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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.