Home / 6,911.10-9,537.99-3,927.87

Finding the Fourth Proportional to 6,911.10, 9,537.99 and 3,927.87

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Solution

The fourth proportional to 6,911.10, 9,537.99 and 3,927.87 is: 5,420.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.10 : 9,537.99 = 3,927.87 : x
  2. Step 2: Convert to fraction form
    6,911.10/9,537.99 = 3,927.87/x
  3. Step 3: Cross multiply
    6,911.10x = 9,537.99 × 3,927.87
  4. Step 4: Simplify right side
    6,911.10x = 37,463,984.78
  5. Step 5: Solve for x
    x = 37,463,984.78/6,911.10
  6. Step 6: Final answer
    x = 5,420.84

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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.