Home / 5,213.73-7,195.08-2,855.87

Finding the Fourth Proportional to 5,213.73, 7,195.08 and 2,855.87

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Solution

The fourth proportional to 5,213.73, 7,195.08 and 2,855.87 is: 3,941.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,213.73 : 7,195.08 = 2,855.87 : x
  2. Step 2: Convert to fraction form
    5,213.73/7,195.08 = 2,855.87/x
  3. Step 3: Cross multiply
    5,213.73x = 7,195.08 × 2,855.87
  4. Step 4: Simplify right side
    5,213.73x = 20,548,213.12
  5. Step 5: Solve for x
    x = 20,548,213.12/5,213.73
  6. Step 6: Final answer
    x = 3,941.17

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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.