Home / 5,515.36-8,274.25-1,817.44

Finding the Fourth Proportional to 5,515.36, 8,274.25 and 1,817.44

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Solution

The fourth proportional to 5,515.36, 8,274.25 and 1,817.44 is: 2,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.36 : 8,274.25 = 1,817.44 : x
  2. Step 2: Convert to fraction form
    5,515.36/8,274.25 = 1,817.44/x
  3. Step 3: Cross multiply
    5,515.36x = 8,274.25 × 1,817.44
  4. Step 4: Simplify right side
    5,515.36x = 15,037,952.92
  5. Step 5: Solve for x
    x = 15,037,952.92/5,515.36
  6. Step 6: Final answer
    x = 2,726.56

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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.