Home / 7,271.55-10,890.92-3,367.75

Finding the Fourth Proportional to 7,271.55, 10,890.92 and 3,367.75

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Solution

The fourth proportional to 7,271.55, 10,890.92 and 3,367.75 is: 5,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.55 : 10,890.92 = 3,367.75 : x
  2. Step 2: Convert to fraction form
    7,271.55/10,890.92 = 3,367.75/x
  3. Step 3: Cross multiply
    7,271.55x = 10,890.92 × 3,367.75
  4. Step 4: Simplify right side
    7,271.55x = 36,677,878.99
  5. Step 5: Solve for x
    x = 36,677,878.99/7,271.55
  6. Step 6: Final answer
    x = 5,044.03

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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.