Home / 5,196.99-7,791.13-2,422.23

Finding the Fourth Proportional to 5,196.99, 7,791.13 and 2,422.23

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Solution

The fourth proportional to 5,196.99, 7,791.13 and 2,422.23 is: 3,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,196.99 : 7,791.13 = 2,422.23 : x
  2. Step 2: Convert to fraction form
    5,196.99/7,791.13 = 2,422.23/x
  3. Step 3: Cross multiply
    5,196.99x = 7,791.13 × 2,422.23
  4. Step 4: Simplify right side
    5,196.99x = 18,871,908.82
  5. Step 5: Solve for x
    x = 18,871,908.82/5,196.99
  6. Step 6: Final answer
    x = 3,631.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.