Home / 4,127.21-6,191.10-1,662.05

Finding the Fourth Proportional to 4,127.21, 6,191.10 and 1,662.05

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Solution

The fourth proportional to 4,127.21, 6,191.10 and 1,662.05 is: 2,493.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.21 : 6,191.10 = 1,662.05 : x
  2. Step 2: Convert to fraction form
    4,127.21/6,191.10 = 1,662.05/x
  3. Step 3: Cross multiply
    4,127.21x = 6,191.10 × 1,662.05
  4. Step 4: Simplify right side
    4,127.21x = 10,289,917.76
  5. Step 5: Solve for x
    x = 10,289,917.76/4,127.21
  6. Step 6: Final answer
    x = 2,493.19

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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.