Home / 4,478.99-6,180.73-2,489.48

Finding the Fourth Proportional to 4,478.99, 6,180.73 and 2,489.48

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Solution

The fourth proportional to 4,478.99, 6,180.73 and 2,489.48 is: 3,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.99 : 6,180.73 = 2,489.48 : x
  2. Step 2: Convert to fraction form
    4,478.99/6,180.73 = 2,489.48/x
  3. Step 3: Cross multiply
    4,478.99x = 6,180.73 × 2,489.48
  4. Step 4: Simplify right side
    4,478.99x = 15,386,812.95
  5. Step 5: Solve for x
    x = 15,386,812.95/4,478.99
  6. Step 6: Final answer
    x = 3,435.33

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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.