Home / 5,063.91-7,591.20-3,421.02

Finding the Fourth Proportional to 5,063.91, 7,591.20 and 3,421.02

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Solution

The fourth proportional to 5,063.91, 7,591.20 and 3,421.02 is: 5,128.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,063.91 : 7,591.20 = 3,421.02 : x
  2. Step 2: Convert to fraction form
    5,063.91/7,591.20 = 3,421.02/x
  3. Step 3: Cross multiply
    5,063.91x = 7,591.20 × 3,421.02
  4. Step 4: Simplify right side
    5,063.91x = 25,969,647.02
  5. Step 5: Solve for x
    x = 25,969,647.02/5,063.91
  6. Step 6: Final answer
    x = 5,128.38

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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.