Home / 5,414.52-8,122.08-1,519.23

Finding the Fourth Proportional to 5,414.52, 8,122.08 and 1,519.23

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Solution

The fourth proportional to 5,414.52, 8,122.08 and 1,519.23 is: 2,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.52 : 8,122.08 = 1,519.23 : x
  2. Step 2: Convert to fraction form
    5,414.52/8,122.08 = 1,519.23/x
  3. Step 3: Cross multiply
    5,414.52x = 8,122.08 × 1,519.23
  4. Step 4: Simplify right side
    5,414.52x = 12,339,307.60
  5. Step 5: Solve for x
    x = 12,339,307.60/5,414.52
  6. Step 6: Final answer
    x = 2,278.93

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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.