Home / 4,912.98-6,780.08-2,674.95

Finding the Fourth Proportional to 4,912.98, 6,780.08 and 2,674.95

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Solution

The fourth proportional to 4,912.98, 6,780.08 and 2,674.95 is: 3,691.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.98 : 6,780.08 = 2,674.95 : x
  2. Step 2: Convert to fraction form
    4,912.98/6,780.08 = 2,674.95/x
  3. Step 3: Cross multiply
    4,912.98x = 6,780.08 × 2,674.95
  4. Step 4: Simplify right side
    4,912.98x = 18,136,361.62
  5. Step 5: Solve for x
    x = 18,136,361.62/4,912.98
  6. Step 6: Final answer
    x = 3,691.52

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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.