Home / 6,145.16-8,480.32-3,350.66

Finding the Fourth Proportional to 6,145.16, 8,480.32 and 3,350.66

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Solution

The fourth proportional to 6,145.16, 8,480.32 and 3,350.66 is: 4,623.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.16 : 8,480.32 = 3,350.66 : x
  2. Step 2: Convert to fraction form
    6,145.16/8,480.32 = 3,350.66/x
  3. Step 3: Cross multiply
    6,145.16x = 8,480.32 × 3,350.66
  4. Step 4: Simplify right side
    6,145.16x = 28,414,669.01
  5. Step 5: Solve for x
    x = 28,414,669.01/6,145.16
  6. Step 6: Final answer
    x = 4,623.91

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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.