Home / 4,479.10-6,181.23-2,489.68

Finding the Fourth Proportional to 4,479.10, 6,181.23 and 2,489.68

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Solution

The fourth proportional to 4,479.10, 6,181.23 and 2,489.68 is: 3,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.10 : 6,181.23 = 2,489.68 : x
  2. Step 2: Convert to fraction form
    4,479.10/6,181.23 = 2,489.68/x
  3. Step 3: Cross multiply
    4,479.10x = 6,181.23 × 2,489.68
  4. Step 4: Simplify right side
    4,479.10x = 15,389,284.71
  5. Step 5: Solve for x
    x = 15,389,284.71/4,479.10
  6. Step 6: Final answer
    x = 3,435.80

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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.