Home / 8,079.09-12,113.46-3,860.61

Finding the Fourth Proportional to 8,079.09, 12,113.46 and 3,860.61

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Solution

The fourth proportional to 8,079.09, 12,113.46 and 3,860.61 is: 5,788.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,079.09 : 12,113.46 = 3,860.61 : x
  2. Step 2: Convert to fraction form
    8,079.09/12,113.46 = 3,860.61/x
  3. Step 3: Cross multiply
    8,079.09x = 12,113.46 × 3,860.61
  4. Step 4: Simplify right side
    8,079.09x = 46,765,344.81
  5. Step 5: Solve for x
    x = 46,765,344.81/8,079.09
  6. Step 6: Final answer
    x = 5,788.44

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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.