Home / 7,921.64-10,932.82-5,087.97

Finding the Fourth Proportional to 7,921.64, 10,932.82 and 5,087.97

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Solution

The fourth proportional to 7,921.64, 10,932.82 and 5,087.97 is: 7,022.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.64 : 10,932.82 = 5,087.97 : x
  2. Step 2: Convert to fraction form
    7,921.64/10,932.82 = 5,087.97/x
  3. Step 3: Cross multiply
    7,921.64x = 10,932.82 × 5,087.97
  4. Step 4: Simplify right side
    7,921.64x = 55,625,847.46
  5. Step 5: Solve for x
    x = 55,625,847.46/7,921.64
  6. Step 6: Final answer
    x = 7,022.01

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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.