Home / 5,090.28-7,638.26-2,750.24

Finding the Fourth Proportional to 5,090.28, 7,638.26 and 2,750.24

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Solution

The fourth proportional to 5,090.28, 7,638.26 and 2,750.24 is: 4,126.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.28 : 7,638.26 = 2,750.24 : x
  2. Step 2: Convert to fraction form
    5,090.28/7,638.26 = 2,750.24/x
  3. Step 3: Cross multiply
    5,090.28x = 7,638.26 × 2,750.24
  4. Step 4: Simplify right side
    5,090.28x = 21,006,996.24
  5. Step 5: Solve for x
    x = 21,006,996.24/5,090.28
  6. Step 6: Final answer
    x = 4,126.88

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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.