Home / 6,439.22-9,659.52-2,055.66

Finding the Fourth Proportional to 6,439.22, 9,659.52 and 2,055.66

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Solution

The fourth proportional to 6,439.22, 9,659.52 and 2,055.66 is: 3,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,439.22 : 9,659.52 = 2,055.66 : x
  2. Step 2: Convert to fraction form
    6,439.22/9,659.52 = 2,055.66/x
  3. Step 3: Cross multiply
    6,439.22x = 9,659.52 × 2,055.66
  4. Step 4: Simplify right side
    6,439.22x = 19,856,688.88
  5. Step 5: Solve for x
    x = 19,856,688.88/6,439.22
  6. Step 6: Final answer
    x = 3,083.71

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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.