Home / 3,927.44-5,413.56-3,266.48

Finding the Fourth Proportional to 3,927.44, 5,413.56 and 3,266.48

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Solution

The fourth proportional to 3,927.44, 5,413.56 and 3,266.48 is: 4,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.44 : 5,413.56 = 3,266.48 : x
  2. Step 2: Convert to fraction form
    3,927.44/5,413.56 = 3,266.48/x
  3. Step 3: Cross multiply
    3,927.44x = 5,413.56 × 3,266.48
  4. Step 4: Simplify right side
    3,927.44x = 17,683,285.47
  5. Step 5: Solve for x
    x = 17,683,285.47/3,927.44
  6. Step 6: Final answer
    x = 4,502.50

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1.5x scale

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.