Home / 6,109.19-9,163.95-2,159.89

Finding the Fourth Proportional to 6,109.19, 9,163.95 and 2,159.89

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Solution

The fourth proportional to 6,109.19, 9,163.95 and 2,159.89 is: 3,239.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,109.19 : 9,163.95 = 2,159.89 : x
  2. Step 2: Convert to fraction form
    6,109.19/9,163.95 = 2,159.89/x
  3. Step 3: Cross multiply
    6,109.19x = 9,163.95 × 2,159.89
  4. Step 4: Simplify right side
    6,109.19x = 19,793,101.06
  5. Step 5: Solve for x
    x = 19,793,101.06/6,109.19
  6. Step 6: Final answer
    x = 3,239.89

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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.