Home / 6,100.20-8,418.28-3,305.68

Finding the Fourth Proportional to 6,100.20, 8,418.28 and 3,305.68

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Solution

The fourth proportional to 6,100.20, 8,418.28 and 3,305.68 is: 4,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,100.20 : 8,418.28 = 3,305.68 : x
  2. Step 2: Convert to fraction form
    6,100.20/8,418.28 = 3,305.68/x
  3. Step 3: Cross multiply
    6,100.20x = 8,418.28 × 3,305.68
  4. Step 4: Simplify right side
    6,100.20x = 27,828,139.83
  5. Step 5: Solve for x
    x = 27,828,139.83/6,100.20
  6. Step 6: Final answer
    x = 4,561.84

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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.