Home / 5,827.72-8,738.94-2,129.32

Finding the Fourth Proportional to 5,827.72, 8,738.94 and 2,129.32

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Solution

The fourth proportional to 5,827.72, 8,738.94 and 2,129.32 is: 3,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,827.72 : 8,738.94 = 2,129.32 : x
  2. Step 2: Convert to fraction form
    5,827.72/8,738.94 = 2,129.32/x
  3. Step 3: Cross multiply
    5,827.72x = 8,738.94 × 2,129.32
  4. Step 4: Simplify right side
    5,827.72x = 18,607,999.72
  5. Step 5: Solve for x
    x = 18,607,999.72/5,827.72
  6. Step 6: Final answer
    x = 3,193.02

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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.