Home / 4,478.05-6,179.79-2,488.69

Finding the Fourth Proportional to 4,478.05, 6,179.79 and 2,488.69

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Solution

The fourth proportional to 4,478.05, 6,179.79 and 2,488.69 is: 3,434.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.05 : 6,179.79 = 2,488.69 : x
  2. Step 2: Convert to fraction form
    4,478.05/6,179.79 = 2,488.69/x
  3. Step 3: Cross multiply
    4,478.05x = 6,179.79 × 2,488.69
  4. Step 4: Simplify right side
    4,478.05x = 15,379,581.58
  5. Step 5: Solve for x
    x = 15,379,581.58/4,478.05
  6. Step 6: Final answer
    x = 3,434.44

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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.