Home / 5,197.16-7,171.79-2,958.99

Finding the Fourth Proportional to 5,197.16, 7,171.79 and 2,958.99

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Solution

The fourth proportional to 5,197.16, 7,171.79 and 2,958.99 is: 4,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.16 : 7,171.79 = 2,958.99 : x
  2. Step 2: Convert to fraction form
    5,197.16/7,171.79 = 2,958.99/x
  3. Step 3: Cross multiply
    5,197.16x = 7,171.79 × 2,958.99
  4. Step 4: Simplify right side
    5,197.16x = 21,221,240.10
  5. Step 5: Solve for x
    x = 21,221,240.10/5,197.16
  6. Step 6: Final answer
    x = 4,083.24

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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.