Home / 4,479.21-6,183.45-2,886.75

Finding the Fourth Proportional to 4,479.21, 6,183.45 and 2,886.75

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Solution

The fourth proportional to 4,479.21, 6,183.45 and 2,886.75 is: 3,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.21 : 6,183.45 = 2,886.75 : x
  2. Step 2: Convert to fraction form
    4,479.21/6,183.45 = 2,886.75/x
  3. Step 3: Cross multiply
    4,479.21x = 6,183.45 × 2,886.75
  4. Step 4: Simplify right side
    4,479.21x = 17,850,074.29
  5. Step 5: Solve for x
    x = 17,850,074.29/4,479.21
  6. Step 6: Final answer
    x = 3,985.09

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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.