Home / 4,230.78-6,348.60-3,414.30

Finding the Fourth Proportional to 4,230.78, 6,348.60 and 3,414.30

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Solution

The fourth proportional to 4,230.78, 6,348.60 and 3,414.30 is: 5,123.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.78 : 6,348.60 = 3,414.30 : x
  2. Step 2: Convert to fraction form
    4,230.78/6,348.60 = 3,414.30/x
  3. Step 3: Cross multiply
    4,230.78x = 6,348.60 × 3,414.30
  4. Step 4: Simplify right side
    4,230.78x = 21,676,024.98
  5. Step 5: Solve for x
    x = 21,676,024.98/4,230.78
  6. Step 6: Final answer
    x = 5,123.41

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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.