Home / 5,917.96-8,876.89-2,455.21

Finding the Fourth Proportional to 5,917.96, 8,876.89 and 2,455.21

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Solution

The fourth proportional to 5,917.96, 8,876.89 and 2,455.21 is: 3,682.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.96 : 8,876.89 = 2,455.21 : x
  2. Step 2: Convert to fraction form
    5,917.96/8,876.89 = 2,455.21/x
  3. Step 3: Cross multiply
    5,917.96x = 8,876.89 × 2,455.21
  4. Step 4: Simplify right side
    5,917.96x = 21,794,629.10
  5. Step 5: Solve for x
    x = 21,794,629.10/5,917.96
  6. Step 6: Final answer
    x = 3,682.79

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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.