Home / 6,080.40-8,390.96-3,427.84

Finding the Fourth Proportional to 6,080.40, 8,390.96 and 3,427.84

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Solution

The fourth proportional to 6,080.40, 8,390.96 and 3,427.84 is: 4,730.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,080.40 : 8,390.96 = 3,427.84 : x
  2. Step 2: Convert to fraction form
    6,080.40/8,390.96 = 3,427.84/x
  3. Step 3: Cross multiply
    6,080.40x = 8,390.96 × 3,427.84
  4. Step 4: Simplify right side
    6,080.40x = 28,762,868.33
  5. Step 5: Solve for x
    x = 28,762,868.33/6,080.40
  6. Step 6: Final answer
    x = 4,730.42

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Half scale
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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.