Home / 5,438.22-8,145.91-3,462.84

Finding the Fourth Proportional to 5,438.22, 8,145.91 and 3,462.84

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Solution

The fourth proportional to 5,438.22, 8,145.91 and 3,462.84 is: 5,186.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,438.22 : 8,145.91 = 3,462.84 : x
  2. Step 2: Convert to fraction form
    5,438.22/8,145.91 = 3,462.84/x
  3. Step 3: Cross multiply
    5,438.22x = 8,145.91 × 3,462.84
  4. Step 4: Simplify right side
    5,438.22x = 28,207,982.98
  5. Step 5: Solve for x
    x = 28,207,982.98/5,438.22
  6. Step 6: Final answer
    x = 5,186.99

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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.