Home / 8,476.12-12,716.67-3,795.09

Finding the Fourth Proportional to 8,476.12, 12,716.67 and 3,795.09

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Solution

The fourth proportional to 8,476.12, 12,716.67 and 3,795.09 is: 5,693.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,476.12 : 12,716.67 = 3,795.09 : x
  2. Step 2: Convert to fraction form
    8,476.12/12,716.67 = 3,795.09/x
  3. Step 3: Cross multiply
    8,476.12x = 12,716.67 × 3,795.09
  4. Step 4: Simplify right side
    8,476.12x = 48,260,907.15
  5. Step 5: Solve for x
    x = 48,260,907.15/8,476.12
  6. Step 6: Final answer
    x = 5,693.75

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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.