Home / 6,911.14-9,537.38-4,078.52

Finding the Fourth Proportional to 6,911.14, 9,537.38 and 4,078.52

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Solution

The fourth proportional to 6,911.14, 9,537.38 and 4,078.52 is: 5,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.14 : 9,537.38 = 4,078.52 : x
  2. Step 2: Convert to fraction form
    6,911.14/9,537.38 = 4,078.52/x
  3. Step 3: Cross multiply
    6,911.14x = 9,537.38 × 4,078.52
  4. Step 4: Simplify right side
    6,911.14x = 38,898,395.08
  5. Step 5: Solve for x
    x = 38,898,395.08/6,911.14
  6. Step 6: Final answer
    x = 5,628.36

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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.