Home / 4,120.35-6,178.86-2,558.04

Finding the Fourth Proportional to 4,120.35, 6,178.86 and 2,558.04

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Solution

The fourth proportional to 4,120.35, 6,178.86 and 2,558.04 is: 3,836.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.35 : 6,178.86 = 2,558.04 : x
  2. Step 2: Convert to fraction form
    4,120.35/6,178.86 = 2,558.04/x
  3. Step 3: Cross multiply
    4,120.35x = 6,178.86 × 2,558.04
  4. Step 4: Simplify right side
    4,120.35x = 15,805,771.03
  5. Step 5: Solve for x
    x = 15,805,771.03/4,120.35
  6. Step 6: Final answer
    x = 3,836.03

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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.