Home / 5,414.78-8,122.46-1,717.30

Finding the Fourth Proportional to 5,414.78, 8,122.46 and 1,717.30

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Solution

The fourth proportional to 5,414.78, 8,122.46 and 1,717.30 is: 2,576.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.78 : 8,122.46 = 1,717.30 : x
  2. Step 2: Convert to fraction form
    5,414.78/8,122.46 = 1,717.30/x
  3. Step 3: Cross multiply
    5,414.78x = 8,122.46 × 1,717.30
  4. Step 4: Simplify right side
    5,414.78x = 13,948,702.12
  5. Step 5: Solve for x
    x = 13,948,702.12/5,414.78
  6. Step 6: Final answer
    x = 2,576.04

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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.