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Finding the Fourth Proportional to 8,695.39, 13,032.40 and 4,008.90

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Solution

The fourth proportional to 8,695.39, 13,032.40 and 4,008.90 is: 6,008.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,695.39 : 13,032.40 = 4,008.90 : x
  2. Step 2: Convert to fraction form
    8,695.39/13,032.40 = 4,008.90/x
  3. Step 3: Cross multiply
    8,695.39x = 13,032.40 × 4,008.90
  4. Step 4: Simplify right side
    8,695.39x = 52,245,584.60
  5. Step 5: Solve for x
    x = 52,245,584.60/8,695.39
  6. Step 6: Final answer
    x = 6,008.42

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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.