Home / 6,078.92-8,388.86-3,427.19

Finding the Fourth Proportional to 6,078.92, 8,388.86 and 3,427.19

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Solution

The fourth proportional to 6,078.92, 8,388.86 and 3,427.19 is: 4,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.92 : 8,388.86 = 3,427.19 : x
  2. Step 2: Convert to fraction form
    6,078.92/8,388.86 = 3,427.19/x
  3. Step 3: Cross multiply
    6,078.92x = 8,388.86 × 3,427.19
  4. Step 4: Simplify right side
    6,078.92x = 28,750,158.02
  5. Step 5: Solve for x
    x = 28,750,158.02/6,078.92
  6. Step 6: Final answer
    x = 4,729.49

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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.