Home / 4,128.46-6,192.62-1,663.22

Finding the Fourth Proportional to 4,128.46, 6,192.62 and 1,663.22

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Solution

The fourth proportional to 4,128.46, 6,192.62 and 1,663.22 is: 2,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.46 : 6,192.62 = 1,663.22 : x
  2. Step 2: Convert to fraction form
    4,128.46/6,192.62 = 1,663.22/x
  3. Step 3: Cross multiply
    4,128.46x = 6,192.62 × 1,663.22
  4. Step 4: Simplify right side
    4,128.46x = 10,299,693.59
  5. Step 5: Solve for x
    x = 10,299,693.59/4,128.46
  6. Step 6: Final answer
    x = 2,494.80

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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.