Home / 4,902.11-6,761.49-3,222.98

Finding the Fourth Proportional to 4,902.11, 6,761.49 and 3,222.98

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Solution

The fourth proportional to 4,902.11, 6,761.49 and 3,222.98 is: 4,445.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.11 : 6,761.49 = 3,222.98 : x
  2. Step 2: Convert to fraction form
    4,902.11/6,761.49 = 3,222.98/x
  3. Step 3: Cross multiply
    4,902.11x = 6,761.49 × 3,222.98
  4. Step 4: Simplify right side
    4,902.11x = 21,792,142.59
  5. Step 5: Solve for x
    x = 21,792,142.59/4,902.11
  6. Step 6: Final answer
    x = 4,445.46

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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.