Home / 5,530.88-8,277.23-3,421.64

Finding the Fourth Proportional to 5,530.88, 8,277.23 and 3,421.64

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Solution

The fourth proportional to 5,530.88, 8,277.23 and 3,421.64 is: 5,120.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.88 : 8,277.23 = 3,421.64 : x
  2. Step 2: Convert to fraction form
    5,530.88/8,277.23 = 3,421.64/x
  3. Step 3: Cross multiply
    5,530.88x = 8,277.23 × 3,421.64
  4. Step 4: Simplify right side
    5,530.88x = 28,321,672.01
  5. Step 5: Solve for x
    x = 28,321,672.01/5,530.88
  6. Step 6: Final answer
    x = 5,120.65

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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.