Home / 5,474.85-8,214.30-2,190.30

Finding the Fourth Proportional to 5,474.85, 8,214.30 and 2,190.30

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Solution

The fourth proportional to 5,474.85, 8,214.30 and 2,190.30 is: 3,286.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.85 : 8,214.30 = 2,190.30 : x
  2. Step 2: Convert to fraction form
    5,474.85/8,214.30 = 2,190.30/x
  3. Step 3: Cross multiply
    5,474.85x = 8,214.30 × 2,190.30
  4. Step 4: Simplify right side
    5,474.85x = 17,991,781.29
  5. Step 5: Solve for x
    x = 17,991,781.29/5,474.85
  6. Step 6: Final answer
    x = 3,286.26

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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.