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Finding the Fourth Proportional to 8,763.07, 12,093.03 and 5,619.25

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Solution

The fourth proportional to 8,763.07, 12,093.03 and 5,619.25 is: 7,754.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,763.07 : 12,093.03 = 5,619.25 : x
  2. Step 2: Convert to fraction form
    8,763.07/12,093.03 = 5,619.25/x
  3. Step 3: Cross multiply
    8,763.07x = 12,093.03 × 5,619.25
  4. Step 4: Simplify right side
    8,763.07x = 67,953,730.73
  5. Step 5: Solve for x
    x = 67,953,730.73/8,763.07
  6. Step 6: Final answer
    x = 7,754.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.