Home / 4,102.26-6,152.71-1,328.54

Finding the Fourth Proportional to 4,102.26, 6,152.71 and 1,328.54

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Solution

The fourth proportional to 4,102.26, 6,152.71 and 1,328.54 is: 1,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,102.26 : 6,152.71 = 1,328.54 : x
  2. Step 2: Convert to fraction form
    4,102.26/6,152.71 = 1,328.54/x
  3. Step 3: Cross multiply
    4,102.26x = 6,152.71 × 1,328.54
  4. Step 4: Simplify right side
    4,102.26x = 8,174,089.75
  5. Step 5: Solve for x
    x = 8,174,089.75/4,102.26
  6. Step 6: Final answer
    x = 1,992.58

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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.