Home / 6,117.18-9,178.20-3,194.70

Finding the Fourth Proportional to 6,117.18, 9,178.20 and 3,194.70

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Solution

The fourth proportional to 6,117.18, 9,178.20 and 3,194.70 is: 4,793.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.18 : 9,178.20 = 3,194.70 : x
  2. Step 2: Convert to fraction form
    6,117.18/9,178.20 = 3,194.70/x
  3. Step 3: Cross multiply
    6,117.18x = 9,178.20 × 3,194.70
  4. Step 4: Simplify right side
    6,117.18x = 29,321,595.54
  5. Step 5: Solve for x
    x = 29,321,595.54/6,117.18
  6. Step 6: Final answer
    x = 4,793.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.