Home / 4,072.50-6,108.81-1,336.50

Finding the Fourth Proportional to 4,072.50, 6,108.81 and 1,336.50

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Solution

The fourth proportional to 4,072.50, 6,108.81 and 1,336.50 is: 2,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.50 : 6,108.81 = 1,336.50 : x
  2. Step 2: Convert to fraction form
    4,072.50/6,108.81 = 1,336.50/x
  3. Step 3: Cross multiply
    4,072.50x = 6,108.81 × 1,336.50
  4. Step 4: Simplify right side
    4,072.50x = 8,164,424.57
  5. Step 5: Solve for x
    x = 8,164,424.57/4,072.50
  6. Step 6: Final answer
    x = 2,004.77

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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.