Home / 5,515.26-8,274.12-1,817.34

Finding the Fourth Proportional to 5,515.26, 8,274.12 and 1,817.34

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Solution

The fourth proportional to 5,515.26, 8,274.12 and 1,817.34 is: 2,726.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.26 : 8,274.12 = 1,817.34 : x
  2. Step 2: Convert to fraction form
    5,515.26/8,274.12 = 1,817.34/x
  3. Step 3: Cross multiply
    5,515.26x = 8,274.12 × 1,817.34
  4. Step 4: Simplify right side
    5,515.26x = 15,036,889.24
  5. Step 5: Solve for x
    x = 15,036,889.24/5,515.26
  6. Step 6: Final answer
    x = 2,726.42

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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.