Home / 4,902.22-7,348.30-1,939.48

Finding the Fourth Proportional to 4,902.22, 7,348.30 and 1,939.48

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Solution

The fourth proportional to 4,902.22, 7,348.30 and 1,939.48 is: 2,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.22 : 7,348.30 = 1,939.48 : x
  2. Step 2: Convert to fraction form
    4,902.22/7,348.30 = 1,939.48/x
  3. Step 3: Cross multiply
    4,902.22x = 7,348.30 × 1,939.48
  4. Step 4: Simplify right side
    4,902.22x = 14,251,880.88
  5. Step 5: Solve for x
    x = 14,251,880.88/4,902.22
  6. Step 6: Final answer
    x = 2,907.23

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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.