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Finding the Fourth Proportional to 8,772.75, 12,106.40 and 5,793.57

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Solution

The fourth proportional to 8,772.75, 12,106.40 and 5,793.57 is: 7,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.75 : 12,106.40 = 5,793.57 : x
  2. Step 2: Convert to fraction form
    8,772.75/12,106.40 = 5,793.57/x
  3. Step 3: Cross multiply
    8,772.75x = 12,106.40 × 5,793.57
  4. Step 4: Simplify right side
    8,772.75x = 70,139,246.88
  5. Step 5: Solve for x
    x = 70,139,246.88/8,772.75
  6. Step 6: Final answer
    x = 7,995.13

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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.