Home / 6,179.90-9,272.55-2,891.30

Finding the Fourth Proportional to 6,179.90, 9,272.55 and 2,891.30

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Solution

The fourth proportional to 6,179.90, 9,272.55 and 2,891.30 is: 4,338.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,179.90 : 9,272.55 = 2,891.30 : x
  2. Step 2: Convert to fraction form
    6,179.90/9,272.55 = 2,891.30/x
  3. Step 3: Cross multiply
    6,179.90x = 9,272.55 × 2,891.30
  4. Step 4: Simplify right side
    6,179.90x = 26,809,723.82
  5. Step 5: Solve for x
    x = 26,809,723.82/6,179.90
  6. Step 6: Final answer
    x = 4,338.21

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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.