Home / 4,910.76-6,778.31-2,922.53

Finding the Fourth Proportional to 4,910.76, 6,778.31 and 2,922.53

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Solution

The fourth proportional to 4,910.76, 6,778.31 and 2,922.53 is: 4,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.76 : 6,778.31 = 2,922.53 : x
  2. Step 2: Convert to fraction form
    4,910.76/6,778.31 = 2,922.53/x
  3. Step 3: Cross multiply
    4,910.76x = 6,778.31 × 2,922.53
  4. Step 4: Simplify right side
    4,910.76x = 19,809,765.82
  5. Step 5: Solve for x
    x = 19,809,765.82/4,910.76
  6. Step 6: Final answer
    x = 4,033.95

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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.