Home / 5,133.38-7,084.53-2,865.11

Finding the Fourth Proportional to 5,133.38, 7,084.53 and 2,865.11

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Solution

The fourth proportional to 5,133.38, 7,084.53 and 2,865.11 is: 3,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.38 : 7,084.53 = 2,865.11 : x
  2. Step 2: Convert to fraction form
    5,133.38/7,084.53 = 2,865.11/x
  3. Step 3: Cross multiply
    5,133.38x = 7,084.53 × 2,865.11
  4. Step 4: Simplify right side
    5,133.38x = 20,297,922.33
  5. Step 5: Solve for x
    x = 20,297,922.33/5,133.38
  6. Step 6: Final answer
    x = 3,954.11

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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.