Home / 4,438.81-6,650.87-3,980.95

Finding the Fourth Proportional to 4,438.81, 6,650.87 and 3,980.95

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Solution

The fourth proportional to 4,438.81, 6,650.87 and 3,980.95 is: 5,964.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.81 : 6,650.87 = 3,980.95 : x
  2. Step 2: Convert to fraction form
    4,438.81/6,650.87 = 3,980.95/x
  3. Step 3: Cross multiply
    4,438.81x = 6,650.87 × 3,980.95
  4. Step 4: Simplify right side
    4,438.81x = 26,476,744.39
  5. Step 5: Solve for x
    x = 26,476,744.39/4,438.81
  6. Step 6: Final answer
    x = 5,964.83

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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.