Home / 5,340.79-7,370.31-2,982.97

Finding the Fourth Proportional to 5,340.79, 7,370.31 and 2,982.97

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Solution

The fourth proportional to 5,340.79, 7,370.31 and 2,982.97 is: 4,116.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340.79 : 7,370.31 = 2,982.97 : x
  2. Step 2: Convert to fraction form
    5,340.79/7,370.31 = 2,982.97/x
  3. Step 3: Cross multiply
    5,340.79x = 7,370.31 × 2,982.97
  4. Step 4: Simplify right side
    5,340.79x = 21,985,413.62
  5. Step 5: Solve for x
    x = 21,985,413.62/5,340.79
  6. Step 6: Final answer
    x = 4,116.51

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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.