Home / 5,091.27-7,638.18-2,750.28

Finding the Fourth Proportional to 5,091.27, 7,638.18 and 2,750.28

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Solution

The fourth proportional to 5,091.27, 7,638.18 and 2,750.28 is: 4,126.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,091.27 : 7,638.18 = 2,750.28 : x
  2. Step 2: Convert to fraction form
    5,091.27/7,638.18 = 2,750.28/x
  3. Step 3: Cross multiply
    5,091.27x = 7,638.18 × 2,750.28
  4. Step 4: Simplify right side
    5,091.27x = 21,007,133.69
  5. Step 5: Solve for x
    x = 21,007,133.69/5,091.27
  6. Step 6: Final answer
    x = 4,126.11

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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.