Home / 4,478.08-6,179.04-2,589.78

Finding the Fourth Proportional to 4,478.08, 6,179.04 and 2,589.78

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Solution

The fourth proportional to 4,478.08, 6,179.04 and 2,589.78 is: 3,573.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.08 : 6,179.04 = 2,589.78 : x
  2. Step 2: Convert to fraction form
    4,478.08/6,179.04 = 2,589.78/x
  3. Step 3: Cross multiply
    4,478.08x = 6,179.04 × 2,589.78
  4. Step 4: Simplify right side
    4,478.08x = 16,002,354.21
  5. Step 5: Solve for x
    x = 16,002,354.21/4,478.08
  6. Step 6: Final answer
    x = 3,573.49

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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.