Home / 4,890.75-7,334.65-2,116.73

Finding the Fourth Proportional to 4,890.75, 7,334.65 and 2,116.73

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Solution

The fourth proportional to 4,890.75, 7,334.65 and 2,116.73 is: 3,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,890.75 : 7,334.65 = 2,116.73 : x
  2. Step 2: Convert to fraction form
    4,890.75/7,334.65 = 2,116.73/x
  3. Step 3: Cross multiply
    4,890.75x = 7,334.65 × 2,116.73
  4. Step 4: Simplify right side
    4,890.75x = 15,525,494.68
  5. Step 5: Solve for x
    x = 15,525,494.68/4,890.75
  6. Step 6: Final answer
    x = 3,174.46

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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.