Home / 4,278.92-6,420.54-3,348.68

Finding the Fourth Proportional to 4,278.92, 6,420.54 and 3,348.68

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Solution

The fourth proportional to 4,278.92, 6,420.54 and 3,348.68 is: 5,024.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.92 : 6,420.54 = 3,348.68 : x
  2. Step 2: Convert to fraction form
    4,278.92/6,420.54 = 3,348.68/x
  3. Step 3: Cross multiply
    4,278.92x = 6,420.54 × 3,348.68
  4. Step 4: Simplify right side
    4,278.92x = 21,500,333.89
  5. Step 5: Solve for x
    x = 21,500,333.89/4,278.92
  6. Step 6: Final answer
    x = 5,024.71

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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.