Home / 4,107.80-6,157.17-1,914.72

Finding the Fourth Proportional to 4,107.80, 6,157.17 and 1,914.72

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Solution

The fourth proportional to 4,107.80, 6,157.17 and 1,914.72 is: 2,869.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,107.80 : 6,157.17 = 1,914.72 : x
  2. Step 2: Convert to fraction form
    4,107.80/6,157.17 = 1,914.72/x
  3. Step 3: Cross multiply
    4,107.80x = 6,157.17 × 1,914.72
  4. Step 4: Simplify right side
    4,107.80x = 11,789,256.54
  5. Step 5: Solve for x
    x = 11,789,256.54/4,107.80
  6. Step 6: Final answer
    x = 2,869.97

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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.