Home / 4,478.61-6,179.99-2,589.91

Finding the Fourth Proportional to 4,478.61, 6,179.99 and 2,589.91

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Solution

The fourth proportional to 4,478.61, 6,179.99 and 2,589.91 is: 3,573.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.61 : 6,179.99 = 2,589.91 : x
  2. Step 2: Convert to fraction form
    4,478.61/6,179.99 = 2,589.91/x
  3. Step 3: Cross multiply
    4,478.61x = 6,179.99 × 2,589.91
  4. Step 4: Simplify right side
    4,478.61x = 16,005,617.90
  5. Step 5: Solve for x
    x = 16,005,617.90/4,478.61
  6. Step 6: Final answer
    x = 3,573.79

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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.