Home / 5,090.27-7,638.28-2,750.27

Finding the Fourth Proportional to 5,090.27, 7,638.28 and 2,750.27

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Solution

The fourth proportional to 5,090.27, 7,638.28 and 2,750.27 is: 4,126.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.27 : 7,638.28 = 2,750.27 : x
  2. Step 2: Convert to fraction form
    5,090.27/7,638.28 = 2,750.27/x
  3. Step 3: Cross multiply
    5,090.27x = 7,638.28 × 2,750.27
  4. Step 4: Simplify right side
    5,090.27x = 21,007,287.27
  5. Step 5: Solve for x
    x = 21,007,287.27/5,090.27
  6. Step 6: Final answer
    x = 4,126.95

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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.