Home / 6,069-8,378.87-3,976.77

Finding the Fourth Proportional to 6,069, 8,378.87 and 3,976.77

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Solution

The fourth proportional to 6,069, 8,378.87 and 3,976.77 is: 5,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,069 : 8,378.87 = 3,976.77 : x
  2. Step 2: Convert to fraction form
    6,069/8,378.87 = 3,976.77/x
  3. Step 3: Cross multiply
    6,069x = 8,378.87 × 3,976.77
  4. Step 4: Simplify right side
    6,069x = 33,320,818.97
  5. Step 5: Solve for x
    x = 33,320,818.97/6,069
  6. Step 6: Final answer
    x = 5,490.33

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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.