Home / 6,650.91-9,178.35-3,818.73

Finding the Fourth Proportional to 6,650.91, 9,178.35 and 3,818.73

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Solution

The fourth proportional to 6,650.91, 9,178.35 and 3,818.73 is: 5,269.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.91 : 9,178.35 = 3,818.73 : x
  2. Step 2: Convert to fraction form
    6,650.91/9,178.35 = 3,818.73/x
  3. Step 3: Cross multiply
    6,650.91x = 9,178.35 × 3,818.73
  4. Step 4: Simplify right side
    6,650.91x = 35,049,640.50
  5. Step 5: Solve for x
    x = 35,049,640.50/6,650.91
  6. Step 6: Final answer
    x = 5,269.90

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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.