Home / 7,484.82-11,212.86-4,187.92

Finding the Fourth Proportional to 7,484.82, 11,212.86 and 4,187.92

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Solution

The fourth proportional to 7,484.82, 11,212.86 and 4,187.92 is: 6,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.82 : 11,212.86 = 4,187.92 : x
  2. Step 2: Convert to fraction form
    7,484.82/11,212.86 = 4,187.92/x
  3. Step 3: Cross multiply
    7,484.82x = 11,212.86 × 4,187.92
  4. Step 4: Simplify right side
    7,484.82x = 46,958,560.65
  5. Step 5: Solve for x
    x = 46,958,560.65/7,484.82
  6. Step 6: Final answer
    x = 6,273.84

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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.