Home / 5,781.44-8,663.40-3,826.64

Finding the Fourth Proportional to 5,781.44, 8,663.40 and 3,826.64

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Solution

The fourth proportional to 5,781.44, 8,663.40 and 3,826.64 is: 5,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.44 : 8,663.40 = 3,826.64 : x
  2. Step 2: Convert to fraction form
    5,781.44/8,663.40 = 3,826.64/x
  3. Step 3: Cross multiply
    5,781.44x = 8,663.40 × 3,826.64
  4. Step 4: Simplify right side
    5,781.44x = 33,151,712.98
  5. Step 5: Solve for x
    x = 33,151,712.98/5,781.44
  6. Step 6: Final answer
    x = 5,734.16

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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.