Home / 4,104.11-6,158.73-1,638.56

Finding the Fourth Proportional to 4,104.11, 6,158.73 and 1,638.56

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Solution

The fourth proportional to 4,104.11, 6,158.73 and 1,638.56 is: 2,458.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.11 : 6,158.73 = 1,638.56 : x
  2. Step 2: Convert to fraction form
    4,104.11/6,158.73 = 1,638.56/x
  3. Step 3: Cross multiply
    4,104.11x = 6,158.73 × 1,638.56
  4. Step 4: Simplify right side
    4,104.11x = 10,091,448.63
  5. Step 5: Solve for x
    x = 10,091,448.63/4,104.11
  6. Step 6: Final answer
    x = 2,458.86

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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.