Home / 5,450.49-7,521.32-3,211.94

Finding the Fourth Proportional to 5,450.49, 7,521.32 and 3,211.94

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Solution

The fourth proportional to 5,450.49, 7,521.32 and 3,211.94 is: 4,432.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.49 : 7,521.32 = 3,211.94 : x
  2. Step 2: Convert to fraction form
    5,450.49/7,521.32 = 3,211.94/x
  3. Step 3: Cross multiply
    5,450.49x = 7,521.32 × 3,211.94
  4. Step 4: Simplify right side
    5,450.49x = 24,158,055.39
  5. Step 5: Solve for x
    x = 24,158,055.39/5,450.49
  6. Step 6: Final answer
    x = 4,432.27

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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.