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Finding the Fourth Proportional to 8,339.94, 12,512.64 and 2,795.90

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Solution

The fourth proportional to 8,339.94, 12,512.64 and 2,795.90 is: 4,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.94 : 12,512.64 = 2,795.90 : x
  2. Step 2: Convert to fraction form
    8,339.94/12,512.64 = 2,795.90/x
  3. Step 3: Cross multiply
    8,339.94x = 12,512.64 × 2,795.90
  4. Step 4: Simplify right side
    8,339.94x = 34,984,090.18
  5. Step 5: Solve for x
    x = 34,984,090.18/8,339.94
  6. Step 6: Final answer
    x = 4,194.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.