Home / 6,911.82-9,537.35-4,079.31

Finding the Fourth Proportional to 6,911.82, 9,537.35 and 4,079.31

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Solution

The fourth proportional to 6,911.82, 9,537.35 and 4,079.31 is: 5,628.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.82 : 9,537.35 = 4,079.31 : x
  2. Step 2: Convert to fraction form
    6,911.82/9,537.35 = 4,079.31/x
  3. Step 3: Cross multiply
    6,911.82x = 9,537.35 × 4,079.31
  4. Step 4: Simplify right side
    6,911.82x = 38,905,807.23
  5. Step 5: Solve for x
    x = 38,905,807.23/6,911.82
  6. Step 6: Final answer
    x = 5,628.88

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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.