Home / 4,104.13-6,157.20-1,912.40

Finding the Fourth Proportional to 4,104.13, 6,157.20 and 1,912.40

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Solution

The fourth proportional to 4,104.13, 6,157.20 and 1,912.40 is: 2,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.13 : 6,157.20 = 1,912.40 : x
  2. Step 2: Convert to fraction form
    4,104.13/6,157.20 = 1,912.40/x
  3. Step 3: Cross multiply
    4,104.13x = 6,157.20 × 1,912.40
  4. Step 4: Simplify right side
    4,104.13x = 11,775,029.28
  5. Step 5: Solve for x
    x = 11,775,029.28/4,104.13
  6. Step 6: Final answer
    x = 2,869.07

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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.