Home / 6,115.08-9,169.80-1,954.16

Finding the Fourth Proportional to 6,115.08, 9,169.80 and 1,954.16

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Solution

The fourth proportional to 6,115.08, 9,169.80 and 1,954.16 is: 2,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,115.08 : 9,169.80 = 1,954.16 : x
  2. Step 2: Convert to fraction form
    6,115.08/9,169.80 = 1,954.16/x
  3. Step 3: Cross multiply
    6,115.08x = 9,169.80 × 1,954.16
  4. Step 4: Simplify right side
    6,115.08x = 17,919,210.52
  5. Step 5: Solve for x
    x = 17,919,210.52/6,115.08
  6. Step 6: Final answer
    x = 2,930.33

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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.