Home / 7,997.05-11,041.38-5,171.27

Finding the Fourth Proportional to 7,997.05, 11,041.38 and 5,171.27

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Solution

The fourth proportional to 7,997.05, 11,041.38 and 5,171.27 is: 7,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,997.05 : 11,041.38 = 5,171.27 : x
  2. Step 2: Convert to fraction form
    7,997.05/11,041.38 = 5,171.27/x
  3. Step 3: Cross multiply
    7,997.05x = 11,041.38 × 5,171.27
  4. Step 4: Simplify right side
    7,997.05x = 57,097,901.95
  5. Step 5: Solve for x
    x = 57,097,901.95/7,997.05
  6. Step 6: Final answer
    x = 7,139.87

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Half scale
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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.