Home / 5,089.44-7,024.05-3,100.29

Finding the Fourth Proportional to 5,089.44, 7,024.05 and 3,100.29

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Solution

The fourth proportional to 5,089.44, 7,024.05 and 3,100.29 is: 4,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.44 : 7,024.05 = 3,100.29 : x
  2. Step 2: Convert to fraction form
    5,089.44/7,024.05 = 3,100.29/x
  3. Step 3: Cross multiply
    5,089.44x = 7,024.05 × 3,100.29
  4. Step 4: Simplify right side
    5,089.44x = 21,776,591.97
  5. Step 5: Solve for x
    x = 21,776,591.97/5,089.44
  6. Step 6: Final answer
    x = 4,278.78

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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.