Home / 5,440.50-8,160.75-1,336.50

Finding the Fourth Proportional to 5,440.50, 8,160.75 and 1,336.50

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Solution

The fourth proportional to 5,440.50, 8,160.75 and 1,336.50 is: 2,004.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.50 : 8,160.75 = 1,336.50 : x
  2. Step 2: Convert to fraction form
    5,440.50/8,160.75 = 1,336.50/x
  3. Step 3: Cross multiply
    5,440.50x = 8,160.75 × 1,336.50
  4. Step 4: Simplify right side
    5,440.50x = 10,906,842.38
  5. Step 5: Solve for x
    x = 10,906,842.38/5,440.50
  6. Step 6: Final answer
    x = 2,004.75

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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.