Home / 6,639.44-9,958.43-4,166.91

Finding the Fourth Proportional to 6,639.44, 9,958.43 and 4,166.91

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Solution

The fourth proportional to 6,639.44, 9,958.43 and 4,166.91 is: 6,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.44 : 9,958.43 = 4,166.91 : x
  2. Step 2: Convert to fraction form
    6,639.44/9,958.43 = 4,166.91/x
  3. Step 3: Cross multiply
    6,639.44x = 9,958.43 × 4,166.91
  4. Step 4: Simplify right side
    6,639.44x = 41,495,891.97
  5. Step 5: Solve for x
    x = 41,495,891.97/6,639.44
  6. Step 6: Final answer
    x = 6,249.91

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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.