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Finding the Fourth Proportional to 8,300.88, 12,454.97 and 4,405.59

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Solution

The fourth proportional to 8,300.88, 12,454.97 and 4,405.59 is: 6,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,300.88 : 12,454.97 = 4,405.59 : x
  2. Step 2: Convert to fraction form
    8,300.88/12,454.97 = 4,405.59/x
  3. Step 3: Cross multiply
    8,300.88x = 12,454.97 × 4,405.59
  4. Step 4: Simplify right side
    8,300.88x = 54,871,469.25
  5. Step 5: Solve for x
    x = 54,871,469.25/8,300.88
  6. Step 6: Final answer
    x = 6,610.32

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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.