Home / 4,985.45-6,879.67-2,747.27

Finding the Fourth Proportional to 4,985.45, 6,879.67 and 2,747.27

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Solution

The fourth proportional to 4,985.45, 6,879.67 and 2,747.27 is: 3,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.45 : 6,879.67 = 2,747.27 : x
  2. Step 2: Convert to fraction form
    4,985.45/6,879.67 = 2,747.27/x
  3. Step 3: Cross multiply
    4,985.45x = 6,879.67 × 2,747.27
  4. Step 4: Simplify right side
    4,985.45x = 18,900,262.87
  5. Step 5: Solve for x
    x = 18,900,262.87/4,985.45
  6. Step 6: Final answer
    x = 3,791.08

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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.