Home / 5,444.20-8,166.30-3,490.60

Finding the Fourth Proportional to 5,444.20, 8,166.30 and 3,490.60

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Solution

The fourth proportional to 5,444.20, 8,166.30 and 3,490.60 is: 5,235.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444.20 : 8,166.30 = 3,490.60 : x
  2. Step 2: Convert to fraction form
    5,444.20/8,166.30 = 3,490.60/x
  3. Step 3: Cross multiply
    5,444.20x = 8,166.30 × 3,490.60
  4. Step 4: Simplify right side
    5,444.20x = 28,505,286.78
  5. Step 5: Solve for x
    x = 28,505,286.78/5,444.20
  6. Step 6: Final answer
    x = 5,235.90

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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.