Home / 6,732.25-9,291.23-3,940.09

Finding the Fourth Proportional to 6,732.25, 9,291.23 and 3,940.09

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Solution

The fourth proportional to 6,732.25, 9,291.23 and 3,940.09 is: 5,437.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,732.25 : 9,291.23 = 3,940.09 : x
  2. Step 2: Convert to fraction form
    6,732.25/9,291.23 = 3,940.09/x
  3. Step 3: Cross multiply
    6,732.25x = 9,291.23 × 3,940.09
  4. Step 4: Simplify right side
    6,732.25x = 36,608,262.71
  5. Step 5: Solve for x
    x = 36,608,262.71/6,732.25
  6. Step 6: Final answer
    x = 5,437.75

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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.