Home / 9,181.79-13,772.78-3,636.49

Finding the Fourth Proportional to 9,181.79, 13,772.78 and 3,636.49

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Solution

The fourth proportional to 9,181.79, 13,772.78 and 3,636.49 is: 5,454.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181.79 : 13,772.78 = 3,636.49 : x
  2. Step 2: Convert to fraction form
    9,181.79/13,772.78 = 3,636.49/x
  3. Step 3: Cross multiply
    9,181.79x = 13,772.78 × 3,636.49
  4. Step 4: Simplify right side
    9,181.79x = 50,084,489.70
  5. Step 5: Solve for x
    x = 50,084,489.70/9,181.79
  6. Step 6: Final answer
    x = 5,454.76

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1.5x scale

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.