Home / 6,145.06-8,480.19-3,350.56

Finding the Fourth Proportional to 6,145.06, 8,480.19 and 3,350.56

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Solution

The fourth proportional to 6,145.06, 8,480.19 and 3,350.56 is: 4,623.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.06 : 8,480.19 = 3,350.56 : x
  2. Step 2: Convert to fraction form
    6,145.06/8,480.19 = 3,350.56/x
  3. Step 3: Cross multiply
    6,145.06x = 8,480.19 × 3,350.56
  4. Step 4: Simplify right side
    6,145.06x = 28,413,385.41
  5. Step 5: Solve for x
    x = 28,413,385.41/6,145.06
  6. Step 6: Final answer
    x = 4,623.78

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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.