Home / 5,826-8,039.64-3,173.43

Finding the Fourth Proportional to 5,826, 8,039.64 and 3,173.43

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Solution

The fourth proportional to 5,826, 8,039.64 and 3,173.43 is: 4,379.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,826 : 8,039.64 = 3,173.43 : x
  2. Step 2: Convert to fraction form
    5,826/8,039.64 = 3,173.43/x
  3. Step 3: Cross multiply
    5,826x = 8,039.64 × 3,173.43
  4. Step 4: Simplify right side
    5,826x = 25,513,234.77
  5. Step 5: Solve for x
    x = 25,513,234.77/5,826
  6. Step 6: Final answer
    x = 4,379.20

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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.