Home / 5,104.14-7,639.80-2,635.59

Finding the Fourth Proportional to 5,104.14, 7,639.80 and 2,635.59

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Solution

The fourth proportional to 5,104.14, 7,639.80 and 2,635.59 is: 3,944.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.14 : 7,639.80 = 2,635.59 : x
  2. Step 2: Convert to fraction form
    5,104.14/7,639.80 = 2,635.59/x
  3. Step 3: Cross multiply
    5,104.14x = 7,639.80 × 2,635.59
  4. Step 4: Simplify right side
    5,104.14x = 20,135,380.48
  5. Step 5: Solve for x
    x = 20,135,380.48/5,104.14
  6. Step 6: Final answer
    x = 3,944.91

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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.