Home / 5,419.44-8,134.59-3,658.86

Finding the Fourth Proportional to 5,419.44, 8,134.59 and 3,658.86

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Solution

The fourth proportional to 5,419.44, 8,134.59 and 3,658.86 is: 5,491.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.44 : 8,134.59 = 3,658.86 : x
  2. Step 2: Convert to fraction form
    5,419.44/8,134.59 = 3,658.86/x
  3. Step 3: Cross multiply
    5,419.44x = 8,134.59 × 3,658.86
  4. Step 4: Simplify right side
    5,419.44x = 29,763,325.97
  5. Step 5: Solve for x
    x = 29,763,325.97/5,419.44
  6. Step 6: Final answer
    x = 5,491.96

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1.5x scale

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.