Home / 6,730.82-9,289.03-3,898.95

Finding the Fourth Proportional to 6,730.82, 9,289.03 and 3,898.95

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Solution

The fourth proportional to 6,730.82, 9,289.03 and 3,898.95 is: 5,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,730.82 : 9,289.03 = 3,898.95 : x
  2. Step 2: Convert to fraction form
    6,730.82/9,289.03 = 3,898.95/x
  3. Step 3: Cross multiply
    6,730.82x = 9,289.03 × 3,898.95
  4. Step 4: Simplify right side
    6,730.82x = 36,217,453.77
  5. Step 5: Solve for x
    x = 36,217,453.77/6,730.82
  6. Step 6: Final answer
    x = 5,380.84

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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.