Home / 5,502.78-8,255.37-2,215.98

Finding the Fourth Proportional to 5,502.78, 8,255.37 and 2,215.98

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Solution

The fourth proportional to 5,502.78, 8,255.37 and 2,215.98 is: 3,324.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.78 : 8,255.37 = 2,215.98 : x
  2. Step 2: Convert to fraction form
    5,502.78/8,255.37 = 2,215.98/x
  3. Step 3: Cross multiply
    5,502.78x = 8,255.37 × 2,215.98
  4. Step 4: Simplify right side
    5,502.78x = 18,293,734.81
  5. Step 5: Solve for x
    x = 18,293,734.81/5,502.78
  6. Step 6: Final answer
    x = 3,324.45

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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.