Home / 4,107.81-6,161.16-1,334.21

Finding the Fourth Proportional to 4,107.81, 6,161.16 and 1,334.21

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Solution

The fourth proportional to 4,107.81, 6,161.16 and 1,334.21 is: 2,001.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.81 : 6,161.16 = 1,334.21 : x
  2. Step 2: Convert to fraction form
    4,107.81/6,161.16 = 1,334.21/x
  3. Step 3: Cross multiply
    4,107.81x = 6,161.16 × 1,334.21
  4. Step 4: Simplify right side
    4,107.81x = 8,220,255.48
  5. Step 5: Solve for x
    x = 8,220,255.48/4,107.81
  6. Step 6: Final answer
    x = 2,001.13

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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.