Home / 9,628.64-13,286.94-5,650.46

Finding the Fourth Proportional to 9,628.64, 13,286.94 and 5,650.46

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Solution

The fourth proportional to 9,628.64, 13,286.94 and 5,650.46 is: 7,797.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,628.64 : 13,286.94 = 5,650.46 : x
  2. Step 2: Convert to fraction form
    9,628.64/13,286.94 = 5,650.46/x
  3. Step 3: Cross multiply
    9,628.64x = 13,286.94 × 5,650.46
  4. Step 4: Simplify right side
    9,628.64x = 75,077,322.99
  5. Step 5: Solve for x
    x = 75,077,322.99/9,628.64
  6. Step 6: Final answer
    x = 7,797.29

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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.