Home / 5,216.26-7,199.95-2,979.36

Finding the Fourth Proportional to 5,216.26, 7,199.95 and 2,979.36

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Solution

The fourth proportional to 5,216.26, 7,199.95 and 2,979.36 is: 4,112.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.26 : 7,199.95 = 2,979.36 : x
  2. Step 2: Convert to fraction form
    5,216.26/7,199.95 = 2,979.36/x
  3. Step 3: Cross multiply
    5,216.26x = 7,199.95 × 2,979.36
  4. Step 4: Simplify right side
    5,216.26x = 21,451,243.03
  5. Step 5: Solve for x
    x = 21,451,243.03/5,216.26
  6. Step 6: Final answer
    x = 4,112.38

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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.