Home / 8,944.12-13,409.34-3,395.80

Finding the Fourth Proportional to 8,944.12, 13,409.34 and 3,395.80

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Solution

The fourth proportional to 8,944.12, 13,409.34 and 3,395.80 is: 5,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,944.12 : 13,409.34 = 3,395.80 : x
  2. Step 2: Convert to fraction form
    8,944.12/13,409.34 = 3,395.80/x
  3. Step 3: Cross multiply
    8,944.12x = 13,409.34 × 3,395.80
  4. Step 4: Simplify right side
    8,944.12x = 45,535,436.77
  5. Step 5: Solve for x
    x = 45,535,436.77/8,944.12
  6. Step 6: Final answer
    x = 5,091.10

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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.