Home / 4,478.69-6,180.99-2,489.65

Finding the Fourth Proportional to 4,478.69, 6,180.99 and 2,489.65

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Solution

The fourth proportional to 4,478.69, 6,180.99 and 2,489.65 is: 3,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.69 : 6,180.99 = 2,489.65 : x
  2. Step 2: Convert to fraction form
    4,478.69/6,180.99 = 2,489.65/x
  3. Step 3: Cross multiply
    4,478.69x = 6,180.99 × 2,489.65
  4. Step 4: Simplify right side
    4,478.69x = 15,388,501.75
  5. Step 5: Solve for x
    x = 15,388,501.75/4,478.69
  6. Step 6: Final answer
    x = 3,435.94

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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.