Home / 9,628.20-13,286.96-5,649.32

Finding the Fourth Proportional to 9,628.20, 13,286.96 and 5,649.32

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Solution

The fourth proportional to 9,628.20, 13,286.96 and 5,649.32 is: 7,796.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.20 : 13,286.96 = 5,649.32 : x
  2. Step 2: Convert to fraction form
    9,628.20/13,286.96 = 5,649.32/x
  3. Step 3: Cross multiply
    9,628.20x = 13,286.96 × 5,649.32
  4. Step 4: Simplify right side
    9,628.20x = 75,062,288.87
  5. Step 5: Solve for x
    x = 75,062,288.87/9,628.20
  6. Step 6: Final answer
    x = 7,796.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.