Home / 5,187.14-7,122.09-5,051.82

Finding the Fourth Proportional to 5,187.14, 7,122.09 and 5,051.82

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Solution

The fourth proportional to 5,187.14, 7,122.09 and 5,051.82 is: 6,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.14 : 7,122.09 = 5,051.82 : x
  2. Step 2: Convert to fraction form
    5,187.14/7,122.09 = 5,051.82/x
  3. Step 3: Cross multiply
    5,187.14x = 7,122.09 × 5,051.82
  4. Step 4: Simplify right side
    5,187.14x = 35,979,516.70
  5. Step 5: Solve for x
    x = 35,979,516.70/5,187.14
  6. Step 6: Final answer
    x = 6,936.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.