Home / 6,080.37-8,390.80-3,427.78

Finding the Fourth Proportional to 6,080.37, 8,390.80 and 3,427.78

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Solution

The fourth proportional to 6,080.37, 8,390.80 and 3,427.78 is: 4,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.37 : 8,390.80 = 3,427.78 : x
  2. Step 2: Convert to fraction form
    6,080.37/8,390.80 = 3,427.78/x
  3. Step 3: Cross multiply
    6,080.37x = 8,390.80 × 3,427.78
  4. Step 4: Simplify right side
    6,080.37x = 28,761,807.85
  5. Step 5: Solve for x
    x = 28,761,807.85/6,080.37
  6. Step 6: Final answer
    x = 4,730.27

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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.