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Finding the Fourth Proportional to 8,071.65, 12,108.69 and 2,525.45

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Solution

The fourth proportional to 8,071.65, 12,108.69 and 2,525.45 is: 3,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.65 : 12,108.69 = 2,525.45 : x
  2. Step 2: Convert to fraction form
    8,071.65/12,108.69 = 2,525.45/x
  3. Step 3: Cross multiply
    8,071.65x = 12,108.69 × 2,525.45
  4. Step 4: Simplify right side
    8,071.65x = 30,579,830.62
  5. Step 5: Solve for x
    x = 30,579,830.62/8,071.65
  6. Step 6: Final answer
    x = 3,788.55

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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.