Home / 4,440.54-6,125.68-3,390.78

Finding the Fourth Proportional to 4,440.54, 6,125.68 and 3,390.78

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Solution

The fourth proportional to 4,440.54, 6,125.68 and 3,390.78 is: 4,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.54 : 6,125.68 = 3,390.78 : x
  2. Step 2: Convert to fraction form
    4,440.54/6,125.68 = 3,390.78/x
  3. Step 3: Cross multiply
    4,440.54x = 6,125.68 × 3,390.78
  4. Step 4: Simplify right side
    4,440.54x = 20,770,833.23
  5. Step 5: Solve for x
    x = 20,770,833.23/4,440.54
  6. Step 6: Final answer
    x = 4,677.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.