Home / 4,920.58-7,376.22-1,960.85

Finding the Fourth Proportional to 4,920.58, 7,376.22 and 1,960.85

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Solution

The fourth proportional to 4,920.58, 7,376.22 and 1,960.85 is: 2,939.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.58 : 7,376.22 = 1,960.85 : x
  2. Step 2: Convert to fraction form
    4,920.58/7,376.22 = 1,960.85/x
  3. Step 3: Cross multiply
    4,920.58x = 7,376.22 × 1,960.85
  4. Step 4: Simplify right side
    4,920.58x = 14,463,679.43
  5. Step 5: Solve for x
    x = 14,463,679.43/4,920.58
  6. Step 6: Final answer
    x = 2,939.42

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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.