Home / 5,213.36-7,194.62-2,855.51

Finding the Fourth Proportional to 5,213.36, 7,194.62 and 2,855.51

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Solution

The fourth proportional to 5,213.36, 7,194.62 and 2,855.51 is: 3,940.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.36 : 7,194.62 = 2,855.51 : x
  2. Step 2: Convert to fraction form
    5,213.36/7,194.62 = 2,855.51/x
  3. Step 3: Cross multiply
    5,213.36x = 7,194.62 × 2,855.51
  4. Step 4: Simplify right side
    5,213.36x = 20,544,259.11
  5. Step 5: Solve for x
    x = 20,544,259.11/5,213.36
  6. Step 6: Final answer
    x = 3,940.70

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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.