Home / 8,385.24-12,575.60-3,993.96

Finding the Fourth Proportional to 8,385.24, 12,575.60 and 3,993.96

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Solution

The fourth proportional to 8,385.24, 12,575.60 and 3,993.96 is: 5,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385.24 : 12,575.60 = 3,993.96 : x
  2. Step 2: Convert to fraction form
    8,385.24/12,575.60 = 3,993.96/x
  3. Step 3: Cross multiply
    8,385.24x = 12,575.60 × 3,993.96
  4. Step 4: Simplify right side
    8,385.24x = 50,226,443.38
  5. Step 5: Solve for x
    x = 50,226,443.38/8,385.24
  6. Step 6: Final answer
    x = 5,989.86

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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.