Home / 4,119.60-6,175.08-2,661.84

Finding the Fourth Proportional to 4,119.60, 6,175.08 and 2,661.84

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Solution

The fourth proportional to 4,119.60, 6,175.08 and 2,661.84 is: 3,989.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.60 : 6,175.08 = 2,661.84 : x
  2. Step 2: Convert to fraction form
    4,119.60/6,175.08 = 2,661.84/x
  3. Step 3: Cross multiply
    4,119.60x = 6,175.08 × 2,661.84
  4. Step 4: Simplify right side
    4,119.60x = 16,437,074.95
  5. Step 5: Solve for x
    x = 16,437,074.95/4,119.60
  6. Step 6: Final answer
    x = 3,989.97

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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.