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Finding the Fourth Proportional to 8,695.88, 13,043.81 and 4,078.88

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Solution

The fourth proportional to 8,695.88, 13,043.81 and 4,078.88 is: 6,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.88 : 13,043.81 = 4,078.88 : x
  2. Step 2: Convert to fraction form
    8,695.88/13,043.81 = 4,078.88/x
  3. Step 3: Cross multiply
    8,695.88x = 13,043.81 × 4,078.88
  4. Step 4: Simplify right side
    8,695.88x = 53,204,080.71
  5. Step 5: Solve for x
    x = 53,204,080.71/8,695.88
  6. Step 6: Final answer
    x = 6,118.31

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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.