Home / 4,518.91-6,778.37-2,960.21

Finding the Fourth Proportional to 4,518.91, 6,778.37 and 2,960.21

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Solution

The fourth proportional to 4,518.91, 6,778.37 and 2,960.21 is: 4,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,518.91 : 6,778.37 = 2,960.21 : x
  2. Step 2: Convert to fraction form
    4,518.91/6,778.37 = 2,960.21/x
  3. Step 3: Cross multiply
    4,518.91x = 6,778.37 × 2,960.21
  4. Step 4: Simplify right side
    4,518.91x = 20,065,406.35
  5. Step 5: Solve for x
    x = 20,065,406.35/4,518.91
  6. Step 6: Final answer
    x = 4,440.32

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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.