Home / 7,939.08-11,914.70-3,325.32

Finding the Fourth Proportional to 7,939.08, 11,914.70 and 3,325.32

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Solution

The fourth proportional to 7,939.08, 11,914.70 and 3,325.32 is: 4,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.08 : 11,914.70 = 3,325.32 : x
  2. Step 2: Convert to fraction form
    7,939.08/11,914.70 = 3,325.32/x
  3. Step 3: Cross multiply
    7,939.08x = 11,914.70 × 3,325.32
  4. Step 4: Simplify right side
    7,939.08x = 39,620,190.20
  5. Step 5: Solve for x
    x = 39,620,190.20/7,939.08
  6. Step 6: Final answer
    x = 4,990.53

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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.