Home / 7,944.87-11,930.03-6,555.18

Finding the Fourth Proportional to 7,944.87, 11,930.03 and 6,555.18

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Solution

The fourth proportional to 7,944.87, 11,930.03 and 6,555.18 is: 9,843.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,944.87 : 11,930.03 = 6,555.18 : x
  2. Step 2: Convert to fraction form
    7,944.87/11,930.03 = 6,555.18/x
  3. Step 3: Cross multiply
    7,944.87x = 11,930.03 × 6,555.18
  4. Step 4: Simplify right side
    7,944.87x = 78,203,485.86
  5. Step 5: Solve for x
    x = 78,203,485.86/7,944.87
  6. Step 6: Final answer
    x = 9,843.27

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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.