Home / 5,452.23-8,172.45-2,291.72

Finding the Fourth Proportional to 5,452.23, 8,172.45 and 2,291.72

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Solution

The fourth proportional to 5,452.23, 8,172.45 and 2,291.72 is: 3,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,452.23 : 8,172.45 = 2,291.72 : x
  2. Step 2: Convert to fraction form
    5,452.23/8,172.45 = 2,291.72/x
  3. Step 3: Cross multiply
    5,452.23x = 8,172.45 × 2,291.72
  4. Step 4: Simplify right side
    5,452.23x = 18,728,926.25
  5. Step 5: Solve for x
    x = 18,728,926.25/5,452.23
  6. Step 6: Final answer
    x = 3,435.09

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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.