Home / 6,822.50-9,415.06-4,028

Finding the Fourth Proportional to 6,822.50, 9,415.06 and 4,028

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Solution

The fourth proportional to 6,822.50, 9,415.06 and 4,028 is: 5,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,822.50 : 9,415.06 = 4,028 : x
  2. Step 2: Convert to fraction form
    6,822.50/9,415.06 = 4,028/x
  3. Step 3: Cross multiply
    6,822.50x = 9,415.06 × 4,028
  4. Step 4: Simplify right side
    6,822.50x = 37,923,861.68
  5. Step 5: Solve for x
    x = 37,923,861.68/6,822.50
  6. Step 6: Final answer
    x = 5,558.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.