Home / 6,159.82-9,239.73-1,999.83

Finding the Fourth Proportional to 6,159.82, 9,239.73 and 1,999.83

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Solution

The fourth proportional to 6,159.82, 9,239.73 and 1,999.83 is: 2,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.82 : 9,239.73 = 1,999.83 : x
  2. Step 2: Convert to fraction form
    6,159.82/9,239.73 = 1,999.83/x
  3. Step 3: Cross multiply
    6,159.82x = 9,239.73 × 1,999.83
  4. Step 4: Simplify right side
    6,159.82x = 18,477,889.25
  5. Step 5: Solve for x
    x = 18,477,889.25/6,159.82
  6. Step 6: Final answer
    x = 2,999.75

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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.