Home / 5,491.56-8,237.34-2,571.92

Finding the Fourth Proportional to 5,491.56, 8,237.34 and 2,571.92

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Solution

The fourth proportional to 5,491.56, 8,237.34 and 2,571.92 is: 3,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.56 : 8,237.34 = 2,571.92 : x
  2. Step 2: Convert to fraction form
    5,491.56/8,237.34 = 2,571.92/x
  3. Step 3: Cross multiply
    5,491.56x = 8,237.34 × 2,571.92
  4. Step 4: Simplify right side
    5,491.56x = 21,185,779.49
  5. Step 5: Solve for x
    x = 21,185,779.49/5,491.56
  6. Step 6: Final answer
    x = 3,857.88

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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.