Home / 8,406.46-12,617.48-4,249.41

Finding the Fourth Proportional to 8,406.46, 12,617.48 and 4,249.41

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Solution

The fourth proportional to 8,406.46, 12,617.48 and 4,249.41 is: 6,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,406.46 : 12,617.48 = 4,249.41 : x
  2. Step 2: Convert to fraction form
    8,406.46/12,617.48 = 4,249.41/x
  3. Step 3: Cross multiply
    8,406.46x = 12,617.48 × 4,249.41
  4. Step 4: Simplify right side
    8,406.46x = 53,616,845.69
  5. Step 5: Solve for x
    x = 53,616,845.69/8,406.46
  6. Step 6: Final answer
    x = 6,378.05

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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.