Home / 8,439.96-12,662.67-4,057.75

Finding the Fourth Proportional to 8,439.96, 12,662.67 and 4,057.75

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Solution

The fourth proportional to 8,439.96, 12,662.67 and 4,057.75 is: 6,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439.96 : 12,662.67 = 4,057.75 : x
  2. Step 2: Convert to fraction form
    8,439.96/12,662.67 = 4,057.75/x
  3. Step 3: Cross multiply
    8,439.96x = 12,662.67 × 4,057.75
  4. Step 4: Simplify right side
    8,439.96x = 51,381,949.19
  5. Step 5: Solve for x
    x = 51,381,949.19/8,439.96
  6. Step 6: Final answer
    x = 6,087.94

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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.