Home / 6,179.88-8,528.28-3,385.38

Finding the Fourth Proportional to 6,179.88, 8,528.28 and 3,385.38

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Solution

The fourth proportional to 6,179.88, 8,528.28 and 3,385.38 is: 4,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.88 : 8,528.28 = 3,385.38 : x
  2. Step 2: Convert to fraction form
    6,179.88/8,528.28 = 3,385.38/x
  3. Step 3: Cross multiply
    6,179.88x = 8,528.28 × 3,385.38
  4. Step 4: Simplify right side
    6,179.88x = 28,871,468.55
  5. Step 5: Solve for x
    x = 28,871,468.55/6,179.88
  6. Step 6: Final answer
    x = 4,671.85

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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.