Home / 4,789.18-7,185.93-2,192.86

Finding the Fourth Proportional to 4,789.18, 7,185.93 and 2,192.86

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Solution

The fourth proportional to 4,789.18, 7,185.93 and 2,192.86 is: 3,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.18 : 7,185.93 = 2,192.86 : x
  2. Step 2: Convert to fraction form
    4,789.18/7,185.93 = 2,192.86/x
  3. Step 3: Cross multiply
    4,789.18x = 7,185.93 × 2,192.86
  4. Step 4: Simplify right side
    4,789.18x = 15,757,738.46
  5. Step 5: Solve for x
    x = 15,757,738.46/4,789.18
  6. Step 6: Final answer
    x = 3,290.28

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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.