Home / 5,177.28-7,143.69-3,022.89

Finding the Fourth Proportional to 5,177.28, 7,143.69 and 3,022.89

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Solution

The fourth proportional to 5,177.28, 7,143.69 and 3,022.89 is: 4,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.28 : 7,143.69 = 3,022.89 : x
  2. Step 2: Convert to fraction form
    5,177.28/7,143.69 = 3,022.89/x
  3. Step 3: Cross multiply
    5,177.28x = 7,143.69 × 3,022.89
  4. Step 4: Simplify right side
    5,177.28x = 21,594,589.06
  5. Step 5: Solve for x
    x = 21,594,589.06/5,177.28
  6. Step 6: Final answer
    x = 4,171.03

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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.