Home / 6,108.60-8,429.87-3,455.95

Finding the Fourth Proportional to 6,108.60, 8,429.87 and 3,455.95

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Solution

The fourth proportional to 6,108.60, 8,429.87 and 3,455.95 is: 4,769.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.60 : 8,429.87 = 3,455.95 : x
  2. Step 2: Convert to fraction form
    6,108.60/8,429.87 = 3,455.95/x
  3. Step 3: Cross multiply
    6,108.60x = 8,429.87 × 3,455.95
  4. Step 4: Simplify right side
    6,108.60x = 29,133,149.80
  5. Step 5: Solve for x
    x = 29,133,149.80/6,108.60
  6. Step 6: Final answer
    x = 4,769.20

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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.