Home / 5,318.73-7,340.58-3,081.31

Finding the Fourth Proportional to 5,318.73, 7,340.58 and 3,081.31

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Solution

The fourth proportional to 5,318.73, 7,340.58 and 3,081.31 is: 4,252.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.73 : 7,340.58 = 3,081.31 : x
  2. Step 2: Convert to fraction form
    5,318.73/7,340.58 = 3,081.31/x
  3. Step 3: Cross multiply
    5,318.73x = 7,340.58 × 3,081.31
  4. Step 4: Simplify right side
    5,318.73x = 22,618,584.21
  5. Step 5: Solve for x
    x = 22,618,584.21/5,318.73
  6. Step 6: Final answer
    x = 4,252.63

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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.