Home / 4,028.76-6,042.96-1,107.18

Finding the Fourth Proportional to 4,028.76, 6,042.96 and 1,107.18

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Solution

The fourth proportional to 4,028.76, 6,042.96 and 1,107.18 is: 1,660.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.76 : 6,042.96 = 1,107.18 : x
  2. Step 2: Convert to fraction form
    4,028.76/6,042.96 = 1,107.18/x
  3. Step 3: Cross multiply
    4,028.76x = 6,042.96 × 1,107.18
  4. Step 4: Simplify right side
    4,028.76x = 6,690,644.45
  5. Step 5: Solve for x
    x = 6,690,644.45/4,028.76
  6. Step 6: Final answer
    x = 1,660.72

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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.