Home / 6,068.80-9,105.39-2,120.64

Finding the Fourth Proportional to 6,068.80, 9,105.39 and 2,120.64

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Solution

The fourth proportional to 6,068.80, 9,105.39 and 2,120.64 is: 3,181.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,068.80 : 9,105.39 = 2,120.64 : x
  2. Step 2: Convert to fraction form
    6,068.80/9,105.39 = 2,120.64/x
  3. Step 3: Cross multiply
    6,068.80x = 9,105.39 × 2,120.64
  4. Step 4: Simplify right side
    6,068.80x = 19,309,254.25
  5. Step 5: Solve for x
    x = 19,309,254.25/6,068.80
  6. Step 6: Final answer
    x = 3,181.73

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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.