Home / 4,479.20-6,178.94-2,661.19

Finding the Fourth Proportional to 4,479.20, 6,178.94 and 2,661.19

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Solution

The fourth proportional to 4,479.20, 6,178.94 and 2,661.19 is: 3,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.20 : 6,178.94 = 2,661.19 : x
  2. Step 2: Convert to fraction form
    4,479.20/6,178.94 = 2,661.19/x
  3. Step 3: Cross multiply
    4,479.20x = 6,178.94 × 2,661.19
  4. Step 4: Simplify right side
    4,479.20x = 16,443,289.14
  5. Step 5: Solve for x
    x = 16,443,289.14/4,479.20
  6. Step 6: Final answer
    x = 3,671.03

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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.