Home / 4,278.99-6,409.14-2,630.54

Finding the Fourth Proportional to 4,278.99, 6,409.14 and 2,630.54

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Solution

The fourth proportional to 4,278.99, 6,409.14 and 2,630.54 is: 3,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,278.99 : 6,409.14 = 2,630.54 : x
  2. Step 2: Convert to fraction form
    4,278.99/6,409.14 = 2,630.54/x
  3. Step 3: Cross multiply
    4,278.99x = 6,409.14 × 2,630.54
  4. Step 4: Simplify right side
    4,278.99x = 16,859,505.29
  5. Step 5: Solve for x
    x = 16,859,505.29/4,278.99
  6. Step 6: Final answer
    x = 3,940.06

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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.