Home / 4,518.60-6,776.79-1,231.71

Finding the Fourth Proportional to 4,518.60, 6,776.79 and 1,231.71

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Solution

The fourth proportional to 4,518.60, 6,776.79 and 1,231.71 is: 1,847.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.60 : 6,776.79 = 1,231.71 : x
  2. Step 2: Convert to fraction form
    4,518.60/6,776.79 = 1,231.71/x
  3. Step 3: Cross multiply
    4,518.60x = 6,776.79 × 1,231.71
  4. Step 4: Simplify right side
    4,518.60x = 8,347,040.01
  5. Step 5: Solve for x
    x = 8,347,040.01/4,518.60
  6. Step 6: Final answer
    x = 1,847.26

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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.