Home / 5,721.49-7,894.42-3,331.18

Finding the Fourth Proportional to 5,721.49, 7,894.42 and 3,331.18

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Solution

The fourth proportional to 5,721.49, 7,894.42 and 3,331.18 is: 4,596.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,721.49 : 7,894.42 = 3,331.18 : x
  2. Step 2: Convert to fraction form
    5,721.49/7,894.42 = 3,331.18/x
  3. Step 3: Cross multiply
    5,721.49x = 7,894.42 × 3,331.18
  4. Step 4: Simplify right side
    5,721.49x = 26,297,734.02
  5. Step 5: Solve for x
    x = 26,297,734.02/5,721.49
  6. Step 6: Final answer
    x = 4,596.31

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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.