Home / 4,180.74-6,277.25-1,991.04

Finding the Fourth Proportional to 4,180.74, 6,277.25 and 1,991.04

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Solution

The fourth proportional to 4,180.74, 6,277.25 and 1,991.04 is: 2,989.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.74 : 6,277.25 = 1,991.04 : x
  2. Step 2: Convert to fraction form
    4,180.74/6,277.25 = 1,991.04/x
  3. Step 3: Cross multiply
    4,180.74x = 6,277.25 × 1,991.04
  4. Step 4: Simplify right side
    4,180.74x = 12,498,255.84
  5. Step 5: Solve for x
    x = 12,498,255.84/4,180.74
  6. Step 6: Final answer
    x = 2,989.48

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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.