Home / 5,134.21-7,085.11-2,896.09

Finding the Fourth Proportional to 5,134.21, 7,085.11 and 2,896.09

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Solution

The fourth proportional to 5,134.21, 7,085.11 and 2,896.09 is: 3,996.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.21 : 7,085.11 = 2,896.09 : x
  2. Step 2: Convert to fraction form
    5,134.21/7,085.11 = 2,896.09/x
  3. Step 3: Cross multiply
    5,134.21x = 7,085.11 × 2,896.09
  4. Step 4: Simplify right side
    5,134.21x = 20,519,096.70
  5. Step 5: Solve for x
    x = 20,519,096.70/5,134.21
  6. Step 6: Final answer
    x = 3,996.55

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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.