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Finding the Fourth Proportional to 8,720.94, 12,033.80 and 5,894.46

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Solution

The fourth proportional to 8,720.94, 12,033.80 and 5,894.46 is: 8,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720.94 : 12,033.80 = 5,894.46 : x
  2. Step 2: Convert to fraction form
    8,720.94/12,033.80 = 5,894.46/x
  3. Step 3: Cross multiply
    8,720.94x = 12,033.80 × 5,894.46
  4. Step 4: Simplify right side
    8,720.94x = 70,932,752.75
  5. Step 5: Solve for x
    x = 70,932,752.75/8,720.94
  6. Step 6: Final answer
    x = 8,133.61

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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.