Home / 4,104.45-5,660.96-2,686.55

Finding the Fourth Proportional to 4,104.45, 5,660.96 and 2,686.55

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Solution

The fourth proportional to 4,104.45, 5,660.96 and 2,686.55 is: 3,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.45 : 5,660.96 = 2,686.55 : x
  2. Step 2: Convert to fraction form
    4,104.45/5,660.96 = 2,686.55/x
  3. Step 3: Cross multiply
    4,104.45x = 5,660.96 × 2,686.55
  4. Step 4: Simplify right side
    4,104.45x = 15,208,410.35
  5. Step 5: Solve for x
    x = 15,208,410.35/4,104.45
  6. Step 6: Final answer
    x = 3,705.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.