Home / 5,475.75-8,213.63-1,371.75

Finding the Fourth Proportional to 5,475.75, 8,213.63 and 1,371.75

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Solution

The fourth proportional to 5,475.75, 8,213.63 and 1,371.75 is: 2,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.75 : 8,213.63 = 1,371.75 : x
  2. Step 2: Convert to fraction form
    5,475.75/8,213.63 = 1,371.75/x
  3. Step 3: Cross multiply
    5,475.75x = 8,213.63 × 1,371.75
  4. Step 4: Simplify right side
    5,475.75x = 11,267,040.09
  5. Step 5: Solve for x
    x = 11,267,040.09/5,475.75
  6. Step 6: Final answer
    x = 2,057.63

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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.