Home / 5,177.93-7,182.14-4,991.12

Finding the Fourth Proportional to 5,177.93, 7,182.14 and 4,991.12

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Solution

The fourth proportional to 5,177.93, 7,182.14 and 4,991.12 is: 6,923.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.93 : 7,182.14 = 4,991.12 : x
  2. Step 2: Convert to fraction form
    5,177.93/7,182.14 = 4,991.12/x
  3. Step 3: Cross multiply
    5,177.93x = 7,182.14 × 4,991.12
  4. Step 4: Simplify right side
    5,177.93x = 35,846,930.78
  5. Step 5: Solve for x
    x = 35,846,930.78/5,177.93
  6. Step 6: Final answer
    x = 6,923.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.