Home / 4,190.74-6,285.30-3,982.60

Finding the Fourth Proportional to 4,190.74, 6,285.30 and 3,982.60

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Solution

The fourth proportional to 4,190.74, 6,285.30 and 3,982.60 is: 5,973.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.74 : 6,285.30 = 3,982.60 : x
  2. Step 2: Convert to fraction form
    4,190.74/6,285.30 = 3,982.60/x
  3. Step 3: Cross multiply
    4,190.74x = 6,285.30 × 3,982.60
  4. Step 4: Simplify right side
    4,190.74x = 25,031,835.78
  5. Step 5: Solve for x
    x = 25,031,835.78/4,190.74
  6. Step 6: Final answer
    x = 5,973.13

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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.