Home / 4,519.59-6,779.43-2,179.09

Finding the Fourth Proportional to 4,519.59, 6,779.43 and 2,179.09

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Solution

The fourth proportional to 4,519.59, 6,779.43 and 2,179.09 is: 3,268.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,519.59 : 6,779.43 = 2,179.09 : x
  2. Step 2: Convert to fraction form
    4,519.59/6,779.43 = 2,179.09/x
  3. Step 3: Cross multiply
    4,519.59x = 6,779.43 × 2,179.09
  4. Step 4: Simplify right side
    4,519.59x = 14,772,988.12
  5. Step 5: Solve for x
    x = 14,772,988.12/4,519.59
  6. Step 6: Final answer
    x = 3,268.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.