Home / 8,944.85-13,420.80-3,399.66

Finding the Fourth Proportional to 8,944.85, 13,420.80 and 3,399.66

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Solution

The fourth proportional to 8,944.85, 13,420.80 and 3,399.66 is: 5,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.85 : 13,420.80 = 3,399.66 : x
  2. Step 2: Convert to fraction form
    8,944.85/13,420.80 = 3,399.66/x
  3. Step 3: Cross multiply
    8,944.85x = 13,420.80 × 3,399.66
  4. Step 4: Simplify right side
    8,944.85x = 45,626,156.93
  5. Step 5: Solve for x
    x = 45,626,156.93/8,944.85
  6. Step 6: Final answer
    x = 5,100.83

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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.