Home / 4,128.66-6,191.58-1,662.84

Finding the Fourth Proportional to 4,128.66, 6,191.58 and 1,662.84

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Solution

The fourth proportional to 4,128.66, 6,191.58 and 1,662.84 is: 2,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.66 : 6,191.58 = 1,662.84 : x
  2. Step 2: Convert to fraction form
    4,128.66/6,191.58 = 1,662.84/x
  3. Step 3: Cross multiply
    4,128.66x = 6,191.58 × 1,662.84
  4. Step 4: Simplify right side
    4,128.66x = 10,295,606.89
  5. Step 5: Solve for x
    x = 10,295,606.89/4,128.66
  6. Step 6: Final answer
    x = 2,493.69

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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.