Home / 4,912.45-7,366.05-2,566.78

Finding the Fourth Proportional to 4,912.45, 7,366.05 and 2,566.78

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Solution

The fourth proportional to 4,912.45, 7,366.05 and 2,566.78 is: 3,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.45 : 7,366.05 = 2,566.78 : x
  2. Step 2: Convert to fraction form
    4,912.45/7,366.05 = 2,566.78/x
  3. Step 3: Cross multiply
    4,912.45x = 7,366.05 × 2,566.78
  4. Step 4: Simplify right side
    4,912.45x = 18,907,029.82
  5. Step 5: Solve for x
    x = 18,907,029.82/4,912.45
  6. Step 6: Final answer
    x = 3,848.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.