Home / 6,623.09-9,140.15-3,791.33

Finding the Fourth Proportional to 6,623.09, 9,140.15 and 3,791.33

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Solution

The fourth proportional to 6,623.09, 9,140.15 and 3,791.33 is: 5,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.09 : 9,140.15 = 3,791.33 : x
  2. Step 2: Convert to fraction form
    6,623.09/9,140.15 = 3,791.33/x
  3. Step 3: Cross multiply
    6,623.09x = 9,140.15 × 3,791.33
  4. Step 4: Simplify right side
    6,623.09x = 34,653,324.90
  5. Step 5: Solve for x
    x = 34,653,324.90/6,623.09
  6. Step 6: Final answer
    x = 5,232.20

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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.