Home / 4,789.94-7,177.05-2,937.12

Finding the Fourth Proportional to 4,789.94, 7,177.05 and 2,937.12

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Solution

The fourth proportional to 4,789.94, 7,177.05 and 2,937.12 is: 4,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.94 : 7,177.05 = 2,937.12 : x
  2. Step 2: Convert to fraction form
    4,789.94/7,177.05 = 2,937.12/x
  3. Step 3: Cross multiply
    4,789.94x = 7,177.05 × 2,937.12
  4. Step 4: Simplify right side
    4,789.94x = 21,079,857.10
  5. Step 5: Solve for x
    x = 21,079,857.10/4,789.94
  6. Step 6: Final answer
    x = 4,400.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.