Home / 5,330.43-7,356.05-2,940.50

Finding the Fourth Proportional to 5,330.43, 7,356.05 and 2,940.50

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Solution

The fourth proportional to 5,330.43, 7,356.05 and 2,940.50 is: 4,057.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.43 : 7,356.05 = 2,940.50 : x
  2. Step 2: Convert to fraction form
    5,330.43/7,356.05 = 2,940.50/x
  3. Step 3: Cross multiply
    5,330.43x = 7,356.05 × 2,940.50
  4. Step 4: Simplify right side
    5,330.43x = 21,630,413.54
  5. Step 5: Solve for x
    x = 21,630,413.54/5,330.43
  6. Step 6: Final answer
    x = 4,057.91

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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.