Home / 5,551.20-8,321.35-2,773.71

Finding the Fourth Proportional to 5,551.20, 8,321.35 and 2,773.71

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Solution

The fourth proportional to 5,551.20, 8,321.35 and 2,773.71 is: 4,157.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.20 : 8,321.35 = 2,773.71 : x
  2. Step 2: Convert to fraction form
    5,551.20/8,321.35 = 2,773.71/x
  3. Step 3: Cross multiply
    5,551.20x = 8,321.35 × 2,773.71
  4. Step 4: Simplify right side
    5,551.20x = 23,081,011.71
  5. Step 5: Solve for x
    x = 23,081,011.71/5,551.20
  6. Step 6: Final answer
    x = 4,157.84

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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.