Home / 6,691.08-9,231.60-3,858.06

Finding the Fourth Proportional to 6,691.08, 9,231.60 and 3,858.06

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Solution

The fourth proportional to 6,691.08, 9,231.60 and 3,858.06 is: 5,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.08 : 9,231.60 = 3,858.06 : x
  2. Step 2: Convert to fraction form
    6,691.08/9,231.60 = 3,858.06/x
  3. Step 3: Cross multiply
    6,691.08x = 9,231.60 × 3,858.06
  4. Step 4: Simplify right side
    6,691.08x = 35,616,066.70
  5. Step 5: Solve for x
    x = 35,616,066.70/6,691.08
  6. Step 6: Final answer
    x = 5,322.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.