Home / 5,187.15-7,122.06-5,051.84

Finding the Fourth Proportional to 5,187.15, 7,122.06 and 5,051.84

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Solution

The fourth proportional to 5,187.15, 7,122.06 and 5,051.84 is: 6,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187.15 : 7,122.06 = 5,051.84 : x
  2. Step 2: Convert to fraction form
    5,187.15/7,122.06 = 5,051.84/x
  3. Step 3: Cross multiply
    5,187.15x = 7,122.06 × 5,051.84
  4. Step 4: Simplify right side
    5,187.15x = 35,979,471.98
  5. Step 5: Solve for x
    x = 35,979,471.98/5,187.15
  6. Step 6: Final answer
    x = 6,936.27

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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.