Home / 8,399.67-11,591.52-4,623.18

Finding the Fourth Proportional to 8,399.67, 11,591.52 and 4,623.18

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Solution

The fourth proportional to 8,399.67, 11,591.52 and 4,623.18 is: 6,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399.67 : 11,591.52 = 4,623.18 : x
  2. Step 2: Convert to fraction form
    8,399.67/11,591.52 = 4,623.18/x
  3. Step 3: Cross multiply
    8,399.67x = 11,591.52 × 4,623.18
  4. Step 4: Simplify right side
    8,399.67x = 53,589,683.43
  5. Step 5: Solve for x
    x = 53,589,683.43/8,399.67
  6. Step 6: Final answer
    x = 6,379.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.