Home / 5,197.02-7,171.89-2,839.16

Finding the Fourth Proportional to 5,197.02, 7,171.89 and 2,839.16

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Solution

The fourth proportional to 5,197.02, 7,171.89 and 2,839.16 is: 3,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197.02 : 7,171.89 = 2,839.16 : x
  2. Step 2: Convert to fraction form
    5,197.02/7,171.89 = 2,839.16/x
  3. Step 3: Cross multiply
    5,197.02x = 7,171.89 × 2,839.16
  4. Step 4: Simplify right side
    5,197.02x = 20,362,143.21
  5. Step 5: Solve for x
    x = 20,362,143.21/5,197.02
  6. Step 6: Final answer
    x = 3,918.04

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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.