Home / 4,128.62-6,187.53-3,578.54

Finding the Fourth Proportional to 4,128.62, 6,187.53 and 3,578.54

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Solution

The fourth proportional to 4,128.62, 6,187.53 and 3,578.54 is: 5,363.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.62 : 6,187.53 = 3,578.54 : x
  2. Step 2: Convert to fraction form
    4,128.62/6,187.53 = 3,578.54/x
  3. Step 3: Cross multiply
    4,128.62x = 6,187.53 × 3,578.54
  4. Step 4: Simplify right side
    4,128.62x = 22,142,323.61
  5. Step 5: Solve for x
    x = 22,142,323.61/4,128.62
  6. Step 6: Final answer
    x = 5,363.13

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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.