Home / 5,917.72-8,877.78-2,219.88

Finding the Fourth Proportional to 5,917.72, 8,877.78 and 2,219.88

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Solution

The fourth proportional to 5,917.72, 8,877.78 and 2,219.88 is: 3,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,917.72 : 8,877.78 = 2,219.88 : x
  2. Step 2: Convert to fraction form
    5,917.72/8,877.78 = 2,219.88/x
  3. Step 3: Cross multiply
    5,917.72x = 8,877.78 × 2,219.88
  4. Step 4: Simplify right side
    5,917.72x = 19,707,606.27
  5. Step 5: Solve for x
    x = 19,707,606.27/5,917.72
  6. Step 6: Final answer
    x = 3,330.27

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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.