Home / 8,606.20-12,901.62-3,408.52

Finding the Fourth Proportional to 8,606.20, 12,901.62 and 3,408.52

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Solution

The fourth proportional to 8,606.20, 12,901.62 and 3,408.52 is: 5,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,606.20 : 12,901.62 = 3,408.52 : x
  2. Step 2: Convert to fraction form
    8,606.20/12,901.62 = 3,408.52/x
  3. Step 3: Cross multiply
    8,606.20x = 12,901.62 × 3,408.52
  4. Step 4: Simplify right side
    8,606.20x = 43,975,429.80
  5. Step 5: Solve for x
    x = 43,975,429.80/8,606.20
  6. Step 6: Final answer
    x = 5,109.74

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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.