Home / 4,128.45-6,192.88-1,662.94

Finding the Fourth Proportional to 4,128.45, 6,192.88 and 1,662.94

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Solution

The fourth proportional to 4,128.45, 6,192.88 and 1,662.94 is: 2,494.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.45 : 6,192.88 = 1,662.94 : x
  2. Step 2: Convert to fraction form
    4,128.45/6,192.88 = 1,662.94/x
  3. Step 3: Cross multiply
    4,128.45x = 6,192.88 × 1,662.94
  4. Step 4: Simplify right side
    4,128.45x = 10,298,350.67
  5. Step 5: Solve for x
    x = 10,298,350.67/4,128.45
  6. Step 6: Final answer
    x = 2,494.48

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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.