Home / 5,515.25-8,273.91-1,817.63

Finding the Fourth Proportional to 5,515.25, 8,273.91 and 1,817.63

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Solution

The fourth proportional to 5,515.25, 8,273.91 and 1,817.63 is: 2,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.25 : 8,273.91 = 1,817.63 : x
  2. Step 2: Convert to fraction form
    5,515.25/8,273.91 = 1,817.63/x
  3. Step 3: Cross multiply
    5,515.25x = 8,273.91 × 1,817.63
  4. Step 4: Simplify right side
    5,515.25x = 15,038,927.72
  5. Step 5: Solve for x
    x = 15,038,927.72/5,515.25
  6. Step 6: Final answer
    x = 2,726.79

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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.