Home / 4,162.40-6,243.60-3,060.80

Finding the Fourth Proportional to 4,162.40, 6,243.60 and 3,060.80

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Solution

The fourth proportional to 4,162.40, 6,243.60 and 3,060.80 is: 4,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,162.40 : 6,243.60 = 3,060.80 : x
  2. Step 2: Convert to fraction form
    4,162.40/6,243.60 = 3,060.80/x
  3. Step 3: Cross multiply
    4,162.40x = 6,243.60 × 3,060.80
  4. Step 4: Simplify right side
    4,162.40x = 19,110,410.88
  5. Step 5: Solve for x
    x = 19,110,410.88/4,162.40
  6. Step 6: Final answer
    x = 4,591.20

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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.