Home / 5,197.08-7,171.86-2,958.90

Finding the Fourth Proportional to 5,197.08, 7,171.86 and 2,958.90

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Solution

The fourth proportional to 5,197.08, 7,171.86 and 2,958.90 is: 4,083.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.08 : 7,171.86 = 2,958.90 : x
  2. Step 2: Convert to fraction form
    5,197.08/7,171.86 = 2,958.90/x
  3. Step 3: Cross multiply
    5,197.08x = 7,171.86 × 2,958.90
  4. Step 4: Simplify right side
    5,197.08x = 21,220,816.55
  5. Step 5: Solve for x
    x = 21,220,816.55/5,197.08
  6. Step 6: Final answer
    x = 4,083.22

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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.