Home / 4,479.49-6,181.25-2,489.85

Finding the Fourth Proportional to 4,479.49, 6,181.25 and 2,489.85

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Solution

The fourth proportional to 4,479.49, 6,181.25 and 2,489.85 is: 3,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.49 : 6,181.25 = 2,489.85 : x
  2. Step 2: Convert to fraction form
    4,479.49/6,181.25 = 2,489.85/x
  3. Step 3: Cross multiply
    4,479.49x = 6,181.25 × 2,489.85
  4. Step 4: Simplify right side
    4,479.49x = 15,390,341.96
  5. Step 5: Solve for x
    x = 15,390,341.96/4,479.49
  6. Step 6: Final answer
    x = 3,435.74

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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.