Home / 6,617.08-9,926.70-1,999

Finding the Fourth Proportional to 6,617.08, 9,926.70 and 1,999

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Solution

The fourth proportional to 6,617.08, 9,926.70 and 1,999 is: 2,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.08 : 9,926.70 = 1,999 : x
  2. Step 2: Convert to fraction form
    6,617.08/9,926.70 = 1,999/x
  3. Step 3: Cross multiply
    6,617.08x = 9,926.70 × 1,999
  4. Step 4: Simplify right side
    6,617.08x = 19,843,473.30
  5. Step 5: Solve for x
    x = 19,843,473.30/6,617.08
  6. Step 6: Final answer
    x = 2,998.83

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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.