Home / 6,451.73-9,633.91-5,120.55

Finding the Fourth Proportional to 6,451.73, 9,633.91 and 5,120.55

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Solution

The fourth proportional to 6,451.73, 9,633.91 and 5,120.55 is: 7,646.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.73 : 9,633.91 = 5,120.55 : x
  2. Step 2: Convert to fraction form
    6,451.73/9,633.91 = 5,120.55/x
  3. Step 3: Cross multiply
    6,451.73x = 9,633.91 × 5,120.55
  4. Step 4: Simplify right side
    6,451.73x = 49,330,917.85
  5. Step 5: Solve for x
    x = 49,330,917.85/6,451.73
  6. Step 6: Final answer
    x = 7,646.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.