Home / 4,479.57-6,181.43-2,489.49

Finding the Fourth Proportional to 4,479.57, 6,181.43 and 2,489.49

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Solution

The fourth proportional to 4,479.57, 6,181.43 and 2,489.49 is: 3,435.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.57 : 6,181.43 = 2,489.49 : x
  2. Step 2: Convert to fraction form
    4,479.57/6,181.43 = 2,489.49/x
  3. Step 3: Cross multiply
    4,479.57x = 6,181.43 × 2,489.49
  4. Step 4: Simplify right side
    4,479.57x = 15,388,595.72
  5. Step 5: Solve for x
    x = 15,388,595.72/4,479.57
  6. Step 6: Final answer
    x = 3,435.28

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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.