Home / 4,518.72-6,778.43-1,231.94

Finding the Fourth Proportional to 4,518.72, 6,778.43 and 1,231.94

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Solution

The fourth proportional to 4,518.72, 6,778.43 and 1,231.94 is: 1,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.72 : 6,778.43 = 1,231.94 : x
  2. Step 2: Convert to fraction form
    4,518.72/6,778.43 = 1,231.94/x
  3. Step 3: Cross multiply
    4,518.72x = 6,778.43 × 1,231.94
  4. Step 4: Simplify right side
    4,518.72x = 8,350,619.05
  5. Step 5: Solve for x
    x = 8,350,619.05/4,518.72
  6. Step 6: Final answer
    x = 1,848.01

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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.