Home / 4,096.20-6,142.80-1,323.60

Finding the Fourth Proportional to 4,096.20, 6,142.80 and 1,323.60

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Solution

The fourth proportional to 4,096.20, 6,142.80 and 1,323.60 is: 1,984.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,096.20 : 6,142.80 = 1,323.60 : x
  2. Step 2: Convert to fraction form
    4,096.20/6,142.80 = 1,323.60/x
  3. Step 3: Cross multiply
    4,096.20x = 6,142.80 × 1,323.60
  4. Step 4: Simplify right side
    4,096.20x = 8,130,610.08
  5. Step 5: Solve for x
    x = 8,130,610.08/4,096.20
  6. Step 6: Final answer
    x = 1,984.92

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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.