Home / 4,111.68-6,166.09-1,645.86

Finding the Fourth Proportional to 4,111.68, 6,166.09 and 1,645.86

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Solution

The fourth proportional to 4,111.68, 6,166.09 and 1,645.86 is: 2,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,111.68 : 6,166.09 = 1,645.86 : x
  2. Step 2: Convert to fraction form
    4,111.68/6,166.09 = 1,645.86/x
  3. Step 3: Cross multiply
    4,111.68x = 6,166.09 × 1,645.86
  4. Step 4: Simplify right side
    4,111.68x = 10,148,520.89
  5. Step 5: Solve for x
    x = 10,148,520.89/4,111.68
  6. Step 6: Final answer
    x = 2,468.22

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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.