Home / 4,104.60-6,158.90-1,912.20

Finding the Fourth Proportional to 4,104.60, 6,158.90 and 1,912.20

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Solution

The fourth proportional to 4,104.60, 6,158.90 and 1,912.20 is: 2,869.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.60 : 6,158.90 = 1,912.20 : x
  2. Step 2: Convert to fraction form
    4,104.60/6,158.90 = 1,912.20/x
  3. Step 3: Cross multiply
    4,104.60x = 6,158.90 × 1,912.20
  4. Step 4: Simplify right side
    4,104.60x = 11,777,048.58
  5. Step 5: Solve for x
    x = 11,777,048.58/4,104.60
  6. Step 6: Final answer
    x = 2,869.23

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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.