Home / 4,310.20-6,452.70-3,219.40

Finding the Fourth Proportional to 4,310.20, 6,452.70 and 3,219.40

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Solution

The fourth proportional to 4,310.20, 6,452.70 and 3,219.40 is: 4,819.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,310.20 : 6,452.70 = 3,219.40 : x
  2. Step 2: Convert to fraction form
    4,310.20/6,452.70 = 3,219.40/x
  3. Step 3: Cross multiply
    4,310.20x = 6,452.70 × 3,219.40
  4. Step 4: Simplify right side
    4,310.20x = 20,773,822.38
  5. Step 5: Solve for x
    x = 20,773,822.38/4,310.20
  6. Step 6: Final answer
    x = 4,819.69

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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.