Home / 4,128.24-6,192.96-2,179.92

Finding the Fourth Proportional to 4,128.24, 6,192.96 and 2,179.92

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Solution

The fourth proportional to 4,128.24, 6,192.96 and 2,179.92 is: 3,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.24 : 6,192.96 = 2,179.92 : x
  2. Step 2: Convert to fraction form
    4,128.24/6,192.96 = 2,179.92/x
  3. Step 3: Cross multiply
    4,128.24x = 6,192.96 × 2,179.92
  4. Step 4: Simplify right side
    4,128.24x = 13,500,157.36
  5. Step 5: Solve for x
    x = 13,500,157.36/4,128.24
  6. Step 6: Final answer
    x = 3,270.20

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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.