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Finding the Fourth Proportional to 8,395.88, 12,582.86 and 3,459.88

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Solution

The fourth proportional to 8,395.88, 12,582.86 and 3,459.88 is: 5,185.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395.88 : 12,582.86 = 3,459.88 : x
  2. Step 2: Convert to fraction form
    8,395.88/12,582.86 = 3,459.88/x
  3. Step 3: Cross multiply
    8,395.88x = 12,582.86 × 3,459.88
  4. Step 4: Simplify right side
    8,395.88x = 43,535,185.66
  5. Step 5: Solve for x
    x = 43,535,185.66/8,395.88
  6. Step 6: Final answer
    x = 5,185.30

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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.