Home / 6,912.07-9,537.41-3,886.32

Finding the Fourth Proportional to 6,912.07, 9,537.41 and 3,886.32

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Solution

The fourth proportional to 6,912.07, 9,537.41 and 3,886.32 is: 5,362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.07 : 9,537.41 = 3,886.32 : x
  2. Step 2: Convert to fraction form
    6,912.07/9,537.41 = 3,886.32/x
  3. Step 3: Cross multiply
    6,912.07x = 9,537.41 × 3,886.32
  4. Step 4: Simplify right side
    6,912.07x = 37,065,379.54
  5. Step 5: Solve for x
    x = 37,065,379.54/6,912.07
  6. Step 6: Final answer
    x = 5,362.42

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1.5x scale

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.