Home / 6,080.37-8,390.72-3,391.66

Finding the Fourth Proportional to 6,080.37, 8,390.72 and 3,391.66

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Solution

The fourth proportional to 6,080.37, 8,390.72 and 3,391.66 is: 4,680.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.37 : 8,390.72 = 3,391.66 : x
  2. Step 2: Convert to fraction form
    6,080.37/8,390.72 = 3,391.66/x
  3. Step 3: Cross multiply
    6,080.37x = 8,390.72 × 3,391.66
  4. Step 4: Simplify right side
    6,080.37x = 28,458,441.16
  5. Step 5: Solve for x
    x = 28,458,441.16/6,080.37
  6. Step 6: Final answer
    x = 4,680.38

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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.