Home / 8,206.66-12,311.61-3,012.58

Finding the Fourth Proportional to 8,206.66, 12,311.61 and 3,012.58

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Solution

The fourth proportional to 8,206.66, 12,311.61 and 3,012.58 is: 4,519.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.66 : 12,311.61 = 3,012.58 : x
  2. Step 2: Convert to fraction form
    8,206.66/12,311.61 = 3,012.58/x
  3. Step 3: Cross multiply
    8,206.66x = 12,311.61 × 3,012.58
  4. Step 4: Simplify right side
    8,206.66x = 37,089,710.05
  5. Step 5: Solve for x
    x = 37,089,710.05/8,206.66
  6. Step 6: Final answer
    x = 4,519.46

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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.