Home / 5,645.12-8,463.60-2,134.85

Finding the Fourth Proportional to 5,645.12, 8,463.60 and 2,134.85

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Solution

The fourth proportional to 5,645.12, 8,463.60 and 2,134.85 is: 3,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,645.12 : 8,463.60 = 2,134.85 : x
  2. Step 2: Convert to fraction form
    5,645.12/8,463.60 = 2,134.85/x
  3. Step 3: Cross multiply
    5,645.12x = 8,463.60 × 2,134.85
  4. Step 4: Simplify right side
    5,645.12x = 18,068,474.14
  5. Step 5: Solve for x
    x = 18,068,474.14/5,645.12
  6. Step 6: Final answer
    x = 3,200.73

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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.