Home / 4,108.40-6,170.28-3,492.80

Finding the Fourth Proportional to 4,108.40, 6,170.28 and 3,492.80

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Solution

The fourth proportional to 4,108.40, 6,170.28 and 3,492.80 is: 5,245.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.40 : 6,170.28 = 3,492.80 : x
  2. Step 2: Convert to fraction form
    4,108.40/6,170.28 = 3,492.80/x
  3. Step 3: Cross multiply
    4,108.40x = 6,170.28 × 3,492.80
  4. Step 4: Simplify right side
    4,108.40x = 21,551,553.98
  5. Step 5: Solve for x
    x = 21,551,553.98/4,108.40
  6. Step 6: Final answer
    x = 5,245.73

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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.